Ios 故事板赢得'；t在Visual Studio（Xamarin）中打开。无法初始化设计器

我们使用Visual Studio（Xamarin）为苹果开发应用程序。因为我安装了最新的更新，所以故事板不会在VisualStudio中打开

我尝试降级到最后一个版本，但似乎不起作用。已重建、重新启动并卸载项目

错误消息：

MonoTouch.Design.Client.CouldNotInitializeRendererException: Exception of type 'MonoTouch.Design.Client.CouldNotInitializeRendererException' was thrown.
   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest(CommandRequest req, Boolean throwIfNotRunning) in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 232
   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest[TResponse](CommandRequest req, Boolean throwIfNotRunning) in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 243
   at MonoTouch.Design.Client.ServerProcessConnection.CreateSession() in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 111
   at MonoTouch.Design.Client.ServerProcessConnection.<CreateSessionAsync>b__28_0() in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 116
   at System.Threading.Tasks.Task`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
...
...
...
[2019-10-11 15:43:30.7] INFO: [2019-10-11 15:43:30.6] INFO: Waiting for renderer to start... 300
[2019-10-11 15:43:30.9] INFO: [2019-10-11 15:43:30.9] ERROR: Could not initialize renderer
[2019-10-11 15:43:30.9] INFO: MonoTouch.Design.Client.CouldNotInitializeRendererException: The renderer never started, bailing out... ---> MonoTouch.Design.Client.RetryConnectionException ---> System.Net.Sockets.SocketException: Connection refused
[2019-10-11 15:43:30.9] INFO:   at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x000b6] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
[2019-10-11 15:43:30.9] INFO:   at Mono.Unix.UnixClient.Connect (Mono.Unix.UnixEndPoint remoteEndPoint) [0x00006] in <47e71035f6774c5fa65560f4ab0cc60e>:0 
[2019-10-11 15:43:30.9] INFO:   at (wrapper remoting-invoke-with-check) Mono.Unix.UnixClient.Connect(Mono.Unix.UnixEndPoint)
[2019-10-11 15:43:30.9] INFO:   at MonoTouch.Design.Client.Mac.MacServerProcessConnection.SendRequestImpl (MonoTouch.Design.CommandRequest request) [0x0000d] in <75e4a400d63a46619c2379952ad9ffcc>:0 
[2019-10-11 15:43:30.9] INFO:    --- End of inner exception stack trace ---
[2019-10-11 15:43:30.9] INFO:   at MonoTouch.Design.Client.Mac.MacServerProcessConnection.SendRequestImpl (MonoTouch.Design.CommandRequest request) [0x0001b] in <75e4a400d63a46619c2379952ad9ffcc>:0 
[2019-10-11 15:43:30.9] INFO:   at MonoTouch.Design.Client.ServerProcessConnection.SendRequestCore (MonoTouch.Design.CommandRequest request, System.Boolean throwIfNotRunning) [0x00050] in <3fb2608a4c644b7faeb25f7a26ae637f>:0 
[2019-10-11 15:43:30.9] INFO:    --- End of inner exception stack trace ---
[2019-10-11 15:43:30.9] INFO:   at MonoTouch.Design.Client.ServerProcessConnection.SendRequestCore (MonoTouch.Design.CommandRequest request, System.Boolean throwIfNotRunning) [0x000c2] in <3fb2608a4c644b7faeb25f7a26ae637f>:0 
[2019-10-11 15:43:30.9] INFO:   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest (MonoTouch.Design.CommandRequest req, System.Boolean throwIfNotRunning) [0x00000] in <3fb2608a4c644b7faeb25f7a26ae637f>:0 
[2019-10-11 15:43:30.9] INFO:   at CSProxyHost.MainClass.HandleMessage (MonoTouch.Design.CommandRequest message) [0x0015b] in <22267ef404cb4303b2debccd373e2a94>:0 
[2019-10-11 15:43:30.9] INFO: Reloading: Server rendering completed in 61335ms
[2019-10-11 15:43:30.9] ERROR: EnsureSession (counter 1): System.AggregateException: One or more errors occurred. ---> MonoTouch.Design.Client.CouldNotInitializeRendererException: Exception of type 'MonoTouch.Design.Client.CouldNotInitializeRendererException' was thrown.
   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest(CommandRequest req, Boolean throwIfNotRunning) in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 232
   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest[TResponse](CommandRequest req, Boolean throwIfNotRunning) in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 243
   at MonoTouch.Design.Client.ServerProcessConnection.CreateSession() in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 111
   at MonoTouch.Design.Client.ServerProcessConnection.<CreateSessionAsync>b__28_0() in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 116
   at System.Threading.Tasks.Task`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   --- End of inner exception stack trace ---
---> (Inner Exception #0) MonoTouch.Design.Client.CouldNotInitializeRendererException: Exception of type 'MonoTouch.Design.Client.CouldNotInitializeRendererException' was thrown.
   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest(CommandRequest req, Boolean throwIfNotRunning) in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 232
   at MonoTouch.Design.Client.ServerProcessConnection.SendRequest[TResponse](CommandRequest req, Boolean throwIfNotRunning) in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 243
   at MonoTouch.Design.Client.ServerProcessConnection.CreateSession() in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 111
   at MonoTouch.Design.Client.ServerProcessConnection.<CreateSessionAsync>b__28_0() in E:\A\_work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:line 116
   at System.Threading.Tasks.Task`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()<---

MonoTouch.Design.Client.couldnotinitializerenderexception:引发了类型为“MonoTouch.Design.Client.couldnotinitializerenderexception”的异常。
在E:\A\\ u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.SendRequest（CommandRequest-req，Boolean-throwIfNotRunning）中的MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:第232行
在E:\A\\ u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.SendRequest[treresponse]（CommandRequest-req，Boolean-throwfnotrunning）中的MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:第243行
在E:\A\\u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs中的MonoTouch.Design.Client.ServerProcessConnection.CreateSession（）处：第111行
在E:\A\\u work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs中的MonoTouch.Design.Client.ServerProcessConnection.b_uu28\u 0（）处：第116行
在System.Threading.Tasks.Task`1.InnerInvoke（）中
在System.Threading.Tasks.Task.Execute（）中
...
...
...
[2019-10-11 15:43:30.7]信息：[2019-10-11 15:43:30.6]信息：正在等待渲染器启动。。。300
[2019-10-11 15:43:30.9]信息：[2019-10-11 15:43:30.9]错误：无法初始化渲染器
[2019-10-11 15:43:30.9]信息：MonoTouch.Design.Client.couldnotinitializerendereException:渲染器从未启动，正在退出…-->MonoTouch.Design.Client.RetryConnectionException-->System.Net.Sockets.SocketException:连接被拒绝
[2019-10-11 15:43:30.9]信息：在System.Net.Sockets.Socket.Connect（System.Net.EndPoint remoteEP）[0x000b6]中：0
[2019-10-11 15:43:30.9]信息：在Mono.Unix.UnixClient.Connect（Mono.Unix.UnixEndPoint remoteEndPoint）[0x00006]中：0
[2019-10-11 15:43:30.9]信息：at（包装器远程调用，带检查）Mono.Unix.UnixClient.Connect（Mono.Unix.UnixEndPoint）
[2019-10-11 15:43:30.9]信息：在MonoTouch.Design.Client.Mac.MacServerProcessConnection.SendRequestImpl（MonoTouch.Design.CommandRequest请求）[0x0000d]中：0
[2019-10-11 15:43:30.9]信息：---内部异常堆栈跟踪结束---
[2019-10-11 15:43:30.9]信息：位于MonoTouch.Design.Client.Mac.MacServerProcessConnection.SendRequestImpl（MonoTouch.Design.CommandRequest请求）[0x0001b]中：0
[2019-10-11 15:43:30.9]信息：在MonoTouch.Design.Client.ServerProcessConnection.SendRequestCore（MonoTouch.Design.CommandRequest请求，System.Boolean throwIfNotRunning）[0x00050]中：0
[2019-10-11 15:43:30.9]信息：---内部异常堆栈跟踪结束---
[2019-10-11 15:43:30.9]信息：在MonoTouch.Design.Client.ServerProcessConnection.SendRequestCore（MonoTouch.Design.CommandRequest请求，System.Boolean throwIfNotRunning）[0x000c2]中：0
[2019-10-11 15:43:30.9]信息：在MonoTouch.Design.Client.ServerProcessConnection.SendRequest（MonoTouch.Design.CommandRequest请求，系统布尔throwIfNotRunning）[0x00000]中：0
[2019-10-11 15:43:30.9]信息：在CSProxyHost.MainClass.HandleMessage（MonoTouch.Design.CommandRequest消息）[0x0015b]中：0
[2019-10-11 15:43:30.9]信息：重新加载：服务器渲染在61335毫秒内完成
[2019-10-11 15:43:30.9]错误：确保发送（计数器1）：System.AggregateException:发生一个或多个错误。-->MonoTouch.Design.Client.CouldNotInitializerEnderexception:引发了类型为“MonoTouch.Design.Client.CouldNotInitializerEnderexception”的异常。
在E:\A\\ u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.SendRequest（CommandRequest-req，Boolean-throwIfNotRunning）中的MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:第232行
在E:\A\\ u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.SendRequest[treresponse]（CommandRequest-req，Boolean-throwfnotrunning）中的MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:第243行
在E:\A\\u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs中的MonoTouch.Design.Client.ServerProcessConnection.CreateSession（）处：第111行
在E:\A\\u work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs中的MonoTouch.Design.Client.ServerProcessConnection.b_uu28\u 0（）处：第116行
在System.Threading.Tasks.Task`1.InnerInvoke（）中
在System.Threading.Tasks.Task.Execute（）中
---内部异常堆栈跟踪的结束---
--->（内部异常#0）MonoTouch.Design.Client.CouldNotInitializerEnderexception:引发了类型为“MonoTouch.Design.Client.CouldNotInitializerEnderexception”的异常。
在E:\A\\ u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.SendRequest（CommandRequest-req，Boolean-throwIfNotRunning）中的MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:第232行
在E:\A\\ u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.SendRequest[treresponse]（CommandRequest-req，Boolean-throwfnotrunning）中的MonoTouch.Design.Client\Connection\ServerProcessConnection.cs:第243行
在E:\A\\u-work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs中的MonoTouch.Design.Client.ServerProcessConnection.CreateSession（）处：第111行
在E:\A\\u work\1898\s\Xamarin.Designer.iOS\MonoTouch.Design.Client\Connection\ServerProcessConnection.cs中的MonoTouch.Design.Client.ServerProcessConnection.b_uu28\u 0（）处：第116行
在System.Threading.Tasks.Task`1.InnerInvoke（）中
在System.Threading.Tasks.Task.Execute（）欢迎使用SO

因为故事板应该在VisualStudio中打开。同时，您可以右键单击该文件