Flutter TextStyle.dart失败的断言引发异常：第936行位置12:'；a==null | | b==null | | a.inherit==b.inherit&|x27；：事实并非如此

我正在尝试使用CupertinoApp，当我尝试导航到新屏幕时，会引发异常，并且不会在导航栏中呈现屏幕标题

══╡ WIDGETS库捕获到异常╞═══════════════════════════════════════════════════════════ 以下断言被抛出到建筑物位置（左：119.6，顶部：51.0，右：148.4，底部： 7.0): "

要么断言表明框架本身存在错误，要么我们应该提供 此错误消息中的更多信息可帮助您确定并修复根本原因。 在任何一种情况下，请通过在GitHub上提交bug来报告此断言：

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18

引发异常时，这是堆栈：

#2      TextStyle.lerp (package:flutter/src/painting/text_style.dart:936:12)
#3      TextStyleTween.lerp (package:flutter/src/widgets/implicit_animations.dart:218:41)
#4      Tween.transform (package:flutter/src/animation/tween.dart:262:12)
#5      Animatable.evaluate (package:flutter/src/animation/tween.dart:55:46)
#6      _AnimatedEvaluation.value (package:flutter/src/animation/tween.dart:89:31)
#7      _AnimatedEvaluation.toString (package:flutter/src/animation/tween.dart:93:46)
#8      DiagnosticsProperty.valueToString (package:flutter/src/foundation/diagnostics.dart:2740:61)
#9      DiagnosticsProperty.toDescription (package:flutter/src/foundation/diagnostics.dart:2754:21)
#10     TextTreeRenderer._debugRender (package:flutter/src/foundation/diagnostics.dart:1195:31)
#11     TextTreeRenderer.render (package:flutter/src/foundation/diagnostics.dart:1128:14)
#12     TextTreeRenderer._debugRender (package:flutter/src/foundation/diagnostics.dart:1305:39)
#13     TextTreeRenderer.render (package:flutter/src/foundation/diagnostics.dart:1128:14)
#14     DiagnosticsNode.toStringDeep.<anonymous closure> (package:flutter/src/foundation/diagnostics.dart:1748:9)
#15     DiagnosticsNode.toStringDeep (package:flutter/src/foundation/diagnostics.dart:1755:6)
#16     DiagnosticsNode.toString.<anonymous closure> (package:flutter/src/foundation/diagnostics.dart:1661:18)
#17     DiagnosticsNode.toString (package:flutter/src/foundation/diagnostics.dart:1676:6)
#18     Diagnosticable.toString.<anonymous closure> (package:flutter/src/foundation/diagnostics.dart:3110:78)
#19     Diagnosticable.toString (package:flutter/src/foundation/diagnostics.dart:3112:6)
#20     _StringBase._interpolate (dart:core-patch/string_patch.dart:848:19)
#21     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4556:44)
#22     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4719:11)
#23     Element.rebuild (package:flutter/src/widgets/framework.dart:4262:5)
#24     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4525:5)
#25     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4710:11)
#26     ComponentElement.mount (package:flutter/src/widgets/framework.dart:4520:5)
...     Normal element mounting (21 frames)
#47     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3490:14)
#48     MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5991:32)
...     Normal element mounting (53 frames)
#101    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3490:14)
#102    Element.updateChild (package:flutter/src/widgets/framework.dart:3258:18)
#103    RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:5624:32)
#104    MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6001:17)
#105    Element.updateChild (package:flutter/src/widgets/framework.dart:3245:15)
#106    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4571:16)
#107    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4719:11)
#108    Element.rebuild (package:flutter/src/widgets/framework.dart:4262:5)
#109    BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2667:33)
#110    WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:866:20)
#111    RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:286:5)
#112    SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1117:15)
#113    SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1056:9)
#114    SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:972:5)
#118    _invoke (dart:ui/hooks.dart:253:10)
#119    _drawFrame (dart:ui/hooks.dart:211:3)
(elided 5 frames from class _AssertionError and dart:async)

#2      TextStyle.lerp (package:flutter/src/painting/text_style.dart:936:12)
#3      TextStyleTween.lerp (package:flutter/src/widgets/implicit_animations.dart:218:41)
#4      Tween.transform (package:flutter/src/animation/tween.dart:262:12)
#5      Animatable.evaluate (package:flutter/src/animation/tween.dart:55:46)
#6      _AnimatedEvaluation.value (package:flutter/src/animation/tween.dart:89:31)
...

要么断言表明框架本身存在错误，要么我们应该在此错误消息中提供更多信息，以帮助您确定并修复根本原因。 在任何一种情况下，请通过在GitHub上提交bug来报告此断言：

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18 引发异常时，这是堆栈：

#2      TextStyle.lerp (package:flutter/src/painting/text_style.dart:936:12)
#3      TextStyleTween.lerp (package:flutter/src/widgets/implicit_animations.dart:218:41)
#4      Tween.transform (package:flutter/src/animation/tween.dart:262:12)
#5      Animatable.evaluate (package:flutter/src/animation/tween.dart:55:46)
#6      _AnimatedEvaluation.value (package:flutter/src/animation/tween.dart:89:31)
#7      _AnimatedEvaluation.toString (package:flutter/src/animation/tween.dart:93:46)
#8      DiagnosticsProperty.valueToString (package:flutter/src/foundation/diagnostics.dart:2740:61)
#9      DiagnosticsProperty.toDescription (package:flutter/src/foundation/diagnostics.dart:2754:21)
#10     TextTreeRenderer._debugRender (package:flutter/src/foundation/diagnostics.dart:1195:31)
#11     TextTreeRenderer.render (package:flutter/src/foundation/diagnostics.dart:1128:14)
#12     TextTreeRenderer._debugRender (package:flutter/src/foundation/diagnostics.dart:1305:39)
#13     TextTreeRenderer.render (package:flutter/src/foundation/diagnostics.dart:1128:14)
#14     DiagnosticsNode.toStringDeep.<anonymous closure> (package:flutter/src/foundation/diagnostics.dart:1748:9)
#15     DiagnosticsNode.toStringDeep (package:flutter/src/foundation/diagnostics.dart:1755:6)
#16     DiagnosticsNode.toString.<anonymous closure> (package:flutter/src/foundation/diagnostics.dart:1661:18)
#17     DiagnosticsNode.toString (package:flutter/src/foundation/diagnostics.dart:1676:6)
#18     Diagnosticable.toString.<anonymous closure> (package:flutter/src/foundation/diagnostics.dart:3110:78)
#19     Diagnosticable.toString (package:flutter/src/foundation/diagnostics.dart:3112:6)
#20     _StringBase._interpolate (dart:core-patch/string_patch.dart:848:19)
#21     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4556:44)
#22     StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4719:11)
#23     Element.rebuild (package:flutter/src/widgets/framework.dart:4262:5)
#24     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:4525:5)
#25     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4710:11)
#26     ComponentElement.mount (package:flutter/src/widgets/framework.dart:4520:5)
...     Normal element mounting (21 frames)
#47     Element.inflateWidget (package:flutter/src/widgets/framework.dart:3490:14)
#48     MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5991:32)
...     Normal element mounting (53 frames)
#101    Element.inflateWidget (package:flutter/src/widgets/framework.dart:3490:14)
#102    Element.updateChild (package:flutter/src/widgets/framework.dart:3258:18)
#103    RenderObjectElement.updateChildren (package:flutter/src/widgets/framework.dart:5624:32)
#104    MultiChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:6001:17)
#105    Element.updateChild (package:flutter/src/widgets/framework.dart:3245:15)
#106    ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4571:16)
#107    StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4719:11)
#108    Element.rebuild (package:flutter/src/widgets/framework.dart:4262:5)
#109    BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2667:33)
#110    WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:866:20)
#111    RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:286:5)
#112    SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1117:15)
#113    SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1056:9)
#114    SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:972:5)
#118    _invoke (dart:ui/hooks.dart:253:10)
#119    _drawFrame (dart:ui/hooks.dart:211:3)
(elided 5 frames from class _AssertionError and dart:async)

#2      TextStyle.lerp (package:flutter/src/painting/text_style.dart:936:12)
#3      TextStyleTween.lerp (package:flutter/src/widgets/implicit_animations.dart:218:41)
#4      Tween.transform (package:flutter/src/animation/tween.dart:262:12)
#5      Animatable.evaluate (package:flutter/src/animation/tween.dart:55:46)
#6      _AnimatedEvaluation.value (package:flutter/src/animation/tween.dart:89:31)
...

════════════════════════════════════════════════════════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

引发了另一个异常：“package:flatter/src/widgets/framework.dart”：失败的断言：第4264行位置14：“owner.\u debugCurrentBuildTarget==this”：不正确

════════ （2） widgets库捕获到异常═══════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18 ════════════════════════════════════════════════════════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

════════ （3） widgets库捕获到异常═══════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18 ════════════════════════════════════════════════════════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

引发了另一个异常：

'package:flatter/src/widgets/framework.dart'：失败的断言：第4264行第14位：“owner.\u debugCurrentBuildTarget==this”：不正确。

════════ （4） widgets库捕获到异常═══════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18 ════════════════════════════════════════════════════════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

引发了另一个异常：

'package:flatter/src/widgets/framework.dart'：失败的断言：第4264行第14位：“owner.\u debugCurrentBuildTarget==this”：不正确。

引发了另一个异常：

'package:flatter/src/widgets/framework.dart'：失败的断言：第4264行第14位：“owner.\u debugCurrentBuildTarget==this”：不正确。

════════ （5） widgets库捕获到异常═══════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18 ════════════════════════════════════════════════════════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

引发了另一个异常：

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

════════ （6） widgets库捕获到异常═══════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

导致错误的相关小部件是： CupertinoAppfile:///Users/pranavharer/shop_app/lib/main.dart:23:18 ════════════════════════════════════════════════════════════════════════════════════════════════════

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

Another exception was thrown: 'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

'package:flutter/src/painting/text_style.dart': Failed assertion: line 936 pos 12: 'a == null || b == null || a.inherit == b.inherit': is not true.

引发了另一个异常：'

package:flutter/src/widgets/framework.dart': Failed assertion: line 4264 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.

引发了另一个异常：

'package:flatter/src/widgets/framework.dart'：失败的断言：第4264行第14位：“所有者。”