Angular 4-我需要调试ZoneWareerror的帮助

我是否需要帮助调试此错误以找出问题所在？ 我使用Angular4，通常在html出现问题时出现，但没有指明是哪一个问题，或者至少我不知道如何查看它，并且每次发现问题时都会损失很多时间。 你好

"Error: Uncaught (in promise): Error
Error
at Error.ZoneAwareError (http://localhost:4200/polyfills.bundle.js:3752:33)
at ZoneAwareError (http://localhost:4200/polyfills.bundle.js:3749:35)
at injectionError (http://localhost:4200/vendor.bundle.js:1442:86)
at noProviderError (http://localhost:4200/vendor.bundle.js:1480:12)
at ReflectiveInjector_._throwOrNull 
(http://localhost:4200/vendor.bundle.js:2981:19)
at ReflectiveInjector_._getByKeyDefault 
(http://localhost:4200/vendor.bundle.js:3020:25)
at ReflectiveInjector_._getByKey 
(http://localhost:4200/vendor.bundle.js:2952:25)
at ReflectiveInjector_.get (http://localhost:4200/vendor.bundle.js:2821:21)
at AppModuleInjector.NgModuleInjector.get 
(http://localhost:4200/vendor.bundle.js:3768:52)
at AdminModuleInjector.NgModuleInjector.get 
(http://localhost:4200/vendor.bundle.js:3768:52)
at resolveDep (http://localhost:4200/vendor.bundle.js:11135:45)
at createClass (http://localhost:4200/vendor.bundle.js:10993:35)
at createDirectiveInstance (http://localhost:4200/vendor.bundle.js:10832:37)
at createViewNodes (http://localhost:4200/vendor.bundle.js:12182:49)
at createRootView (http://localhost:4200/vendor.bundle.js:12087:5)
at ZoneAwareError (http://localhost:4200/polyfills.bundle.js:3752:33)
at resolvePromise (http://localhost:4200/polyfills.bundle.js:3425:31)
at resolvePromise (http://localhost:4200/polyfills.bundle.js:3396:17)
at http://localhost:4200/polyfills.bundle.js:3473:17
at ZoneDelegate.invokeTask 
(http://localhost:4200/polyfills.bundle.js:3127:31)
at Object.onInvokeTask (http://localhost:4200/vendor.bundle.js:4327:37)
at ZoneDelegate.invokeTask 
(http://localhost:4200/polyfills.bundle.js:3126:36)
at Zone.runTask (http://localhost:4200/polyfills.bundle.js:2926:47)
at drainMicroTaskQueue (http://localhost:4200/polyfills.bundle.js:3306:35)
at HTMLButtonElement.ZoneTask.invoke 
(http://localhost:4200/polyfills.bundle.js:3184:25)"

现在我明白了！ 在：

---

我在组件（injectionError）中注入了一个服务，并且我没有在模块（noProviderError）中将其声明为提供程序。

您是否有任何

抛出的“错误”代码中的语句？看起来像是重复的。你看过这篇文章了吗：如果上面的链接没有帮助，请提供更多详细信息，或者最好创建一个plunker来更好地帮助你解决错误。
    "Error: Uncaught (in promise): Error
Error
at Error.ZoneAwareError (http://localhost:4200/polyfills.bundle.js:3752:33)
at ZoneAwareError (http://localhost:4200/polyfills.bundle.js:3749:35)
at injectionError (http://localhost:4200/vendor.bundle.js:1442:86)
at noProviderError (http://localhost:4200/vendor.bundle.js:1480:12)