wpf界面发生未经处理的异常

Question

System.NullReferenceException
未将对象引用设置到对象的实例。
   在 Microsoft.VisualStudio.DesignTools.Markup.Metadata.MetadataExtensions.PlatformMetadata(IProperty property)
   在 Microsoft.VisualStudio.DesignTools.RuntimeHost.InstanceBuilders.Wpf.ResourceReferenceBuilder..ctor(IProperty resourceKeyProperty)
   在 Microsoft.VisualStudio.DesignTools.WpfSurfaceDesigner.SurfaceIsolation.WpfDesignerInstanceBuilderPlatform.<CreateCoreBuilders>d__26.MoveNext()
   在 Microsoft.VisualStudio.DesignTools.RuntimeHost.InstanceBuilders.InstanceBuilderFactory.GetResolvedBuilders(IPlatformMetadata resolver)
   在 Microsoft.VisualStudio.DesignTools.RuntimeHost.InstanceBuilders.InstanceBuilderFactory.GetInstanceBuilder(IInstanceBuilderContext context, DocumentNode node)
   在 Microsoft.VisualStudio.DesignTools.WpfSurfaceDesigner.SurfaceIsolation.WpfDesignerInstanceBuilderPlatform.GetInstanceBuilder(IInstanceBuilderContext context, DocumentNode node)
   在 Microsoft.VisualStudio.DesignTools.SurfaceDesigner.Documents.SurfaceIsolation.DesignerInstanceManager.EnsureInstanceBuilderActions(ISurfaceProcessDocument surfaceDocument)
   在 Microsoft.VisualStudio.DesignTools.SurfaceDesigner.Documents.SurfaceIsolation.DesignerInstanceManager.MakeCreateDocumentInfo(ISurfaceProcessDocument document, Boolean includeInstanceBuildingActions)
   在 Microsoft.VisualStudio.DesignTools.SurfaceDesigner.Documents.SurfaceIsolation.DesignerInstanceManager.HandleDocumentBuildingActionsRequest(GetDocumentBuildingActionsRequest request)
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 Microsoft.VisualStudio.Telemetry.WindowsErrorReporting.WatsonReport.GetClrWatsonExceptionInfo(Exception exceptionObject)