Creating new project failed Visual Studio Mac

Question

Mac OS Monterey Beta. Reinstalling VS or Mono doesn't help. I have tried other versions of Mono.

![INFO [2021-07-22 00:11:12Z]: Starting Visual Studio 2019 for Mac 8.10.6 (build 10)  
INFO [2021-07-22 00:11:12Z]: Build Information  
Release ID: 810060010  
Git revision: 263d2fc9398e8092c231fa5d310cd72205cd627c  
Build date: 2021-07-08 14:37:29-04  
Build branch: release-8.10  
  
INFO [2021-07-22 00:11:12Z]: Running on Mono 6.12.0.147 (2020-02/35bf914659f) (64-bit)  
INFO [2021-07-22 00:11:13Z]: Operating System: Mac OS X 10.16.0  
Darwin 21.0.0 Darwin Kernel Version 21.0.0  
    Sun Jun 20 18:43:49 PDT 2021  
    root:xnu-8011.0.0.121.4~2/RELEASE_X86_64 x86_64  
Could not find `System.Runtime.Loader` referenced by assembly `Microsoft.CodeAnalysis.Scripting, Version=3.10.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35`.  
INFO [2021-07-22 00:11:13Z]: Loading modules from /Applications/Visual Studio.app/Contents/Resources/lib/monodevelop/lib/gtk-2.0  
INFO [2021-07-22 00:11:13Z]: GTK: Using gtkrc from /Applications/Visual Studio.app/Contents/Resources/lib/monodevelop/bin/gtkrc.mac  
  
(VisualStudio:8405): Gtk-WARNING **: Locale not supported by C library.  
	Using the fallback 'C' locale.  
ATK-Cocoa started (Xcode build)  
ATK-Cocoa Module initialized  
INFO [2021-07-22 00:11:13Z]: Using GTK+ 2.24.23  
INFO [2021-07-22 00:11:14Z]: Running a56e0673-c258-4451-a348-e36c1252b166  
INFO [2021-07-22 00:11:14Z]: Initializing ms error reporting app: com.microsoft.visual-studio, Visual Studio, 8.10.6.10  
INFO [2021-07-22 00:11:14Z]:                                    : /Applications/Visual Studio.app  
INFO [2021-07-22 00:11:14Z]: Using MERP bundle: /Applications/Visual Studio.app/Contents/SharedSupport/Microsoft Error Reporting.app  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Core  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Ide  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.MacPlatform  
INFO [2021-07-22 00:11:14Z]: Initializing Runtime Mono 6.12.0.147  
INFO [2021-07-22 00:11:14Z]: [103 (+103)] Finding custom frameworks  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.RegexToolkit  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.DesignerSupport  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.TextEditor  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Debugger  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.SourceEditor2  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Refactoring  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.PackageManagement  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.ConnectedServices  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.UnitTesting  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Debugger.VsCodeDebugProtocol  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.CSharpBinding  
INFO [2021-07-22 00:11:14Z]: [393 (+290)] Creating frameworks  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.DotNetCore  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.PerformanceDiagnostics  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Xamarin.Ide  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Xamarin.Addins.Core  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Debugger.Soft  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Xamarin.Ide.Mac  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.VersionControl  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.MacDev  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.MonoMac  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: Xamarin.TestCloud  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.IPhone  
ERROR [2021-07-22 00:11:14Z]: A valid Xcode installation was not found at the configured location: '/Library/Developer/CommandLineTools'  
INFO [2021-07-22 00:11:14Z]: Xamarin.iOS not installed.  
Can't find mtouch or the Version file at /Library/Frameworks/Xamarin.iOS.framework/Versions/Current.  
INFO [2021-07-22 00:11:14Z]: [527 (+134)] Initializing frameworks  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: Xamarin.Ide.Identity  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.Xml  
INFO [2021-07-22 00:11:14Z]: [542 (+15)] END: Target runtimes loaded  
INFO [2021-07-22 00:11:14Z]: Add-in loaded: MonoDevelop.MonoAndroid  
INFO [2021-07-22 00:11:15Z]: ANDROID: $(MonoAndroidToolsDirectory) defaultPath `` is not valid; skipping.  
INFO [2021-07-22 00:11:15Z]: ANDROID: $(MonoAndroidToolsDirectory) defaultPath `` is not valid; skipping.  
INFO [2021-07-22 00:11:15Z]: ANDROID: Did not find Xamarin.Android at path   
INFO [2021-07-22 00:11:15Z]: ANDROID: Did not find Xamarin.Android at path   
WARNING [2021-07-22 00:11:15Z]: ANDROID: ?????????? ?????????? ?????? Xamarin.Android.  
WARNING [2021-07-22 00:11:15Z]: ANDROID: ?????????? ?????????? ?????? Xamarin.Android.  
INFO [2021-07-22 00:11:15Z]: Xamarin.Android SDK not found, disabling Xamarin.Android addin  
INFO [2021-07-22 00:11:15Z]: Registering feature IdeBuildOutputView (Enable structured build output UI = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature RUNTIME_SELECTOR (Enable runtime selection on UI = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature AlwaysUseLegacyEditor (Enable old editor = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature PerfWatsonDiagnostics (Enable additional performance diagnostics options = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature ReliabilityDiagnostics (Enable additional reliability diagnostics options = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature VSCODE_DEBUG_PROTOCOL_LOGGING (Enable VSCode Debug Adapter Protocol Logging = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature VBNetDotnetCoreTemplates (Enable VB.NET support for .NET Core = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature JAVASCRIPT_DEBUGGER_VERBOSE_LOGGING (Enable verbose logging for the JavaScript debugger = False)  
INFO [2021-07-22 00:11:15Z]: Registering feature AspNetCoreGRPCTemplates (Enable gRPC template = True)  
INFO [2021-07-22 00:11:15Z]: Registering feature EnableVersionControlTracing (Enable VersionControl tracing output = False)  
INFO [2021-07-22 00:11:15Z]: Creating service: MonoDevelop.Components.Commands.CommandManager  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Microsoft.VisualStudio.Mac.RazorAddin  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.TextTemplating  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.AspNet  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Microsoft.VisualStudio.WebTools.WebEditors  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Microsoft.JavaScript.Debugger  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.AspNetCore  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Xamarin.AzureSupport  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: DotNetCore.Debugger  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.Docker  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.Unity  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Xamarin.Designer  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Xamarin.Android.Deploy  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.AssemblyBrowser  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: VisualFSharp  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.VersionControl.Git  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.GtkCore  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.Packaging  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Xamarin.AndroidDesigner  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.AzureFunctions  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.WebReferences  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: MonoDevelop.TextEditor.Cocoa  
INFO [2021-07-22 00:11:15Z]: Add-in loaded: Xamarin.Terminal.Xamarin.Terminal  
INFO [2021-07-22 00:11:15Z]: Service MonoDevelop.Components.Commands.CommandManager initialized in 201 ms.  
INFO [2021-07-22 00:11:15Z]: Creating service: MonoDevelop.Ide.DesktopService  
INFO [2021-07-22 00:11:15Z]: Using Xamarin.Mac 6.18.0.23 (d16-6 / 088c73638)  
WARNING [2021-07-22 00:11:15Z]: Unknown startup reason, assuming Normal  
INFO [2021-07-22 00:11:15Z]: Service MonoDevelop.Ide.DesktopService initialized in 52 ms.  
INFO [2021-07-22 00:11:15Z]: Xamarin.Mac not installed. Can't find /Library/Frameworks/Xamarin.Mac.framework/Versions/Current/Version.  
??????????? ?????? Visual Studio  
WARNING [2021-07-22 00:11:16Z]: LaunchReason is already set to LaunchedFromFileManager.  
ERROR [2021-07-22 00:11:18Z]: Creating new project failed.  
System.InvalidOperationException: Service MonoDevelop.Ide.ProjectOperations not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:106   
  at MonoDevelop.Ide.IdeApp.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/Ide.cs:154   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnNewProjectButtonClicked (Foundation.NSObject target) [0x00031] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:389   
ERROR [2021-07-22 00:11:18Z]: ??????? ?????? ?? ???????.  
System.InvalidOperationException: Service MonoDevelop.Ide.ProjectOperations not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:106   
  at MonoDevelop.Ide.IdeApp.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/Ide.cs:154   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnNewProjectButtonClicked (Foundation.NSObject target) [0x00031] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:389   
ERROR [2021-07-22 00:11:21Z]: Error in Open File dialog  
System.NullReferenceException: Object reference not set to an instance of an object  
  at MonoDevelop.MacIntegration.MacOpenFileDialogHandler.OnGetAccessoryBoxControls (MonoDevelop.Ide.Extensions.OpenFileDialogData data, AppKit.NSSavePanel panel, MonoDevelop.MacIntegration.MacOpenFileDialogHandler+SaveState& saveState) [0x000d6] in /Users/builder/azdo/_work/2/s/main/src/addins/MacPlatform/Dialogs/MacOpenFileDialogHandler.cs:210   
  at MonoDevelop.MacIntegration.MacCommonFileDialogHandler`2[TData,TState].CreateAccessoryBox (TData data, AppKit.NSSavePanel panel, TState& saveState) [0x00039] in /Users/builder/azdo/_work/2/s/main/src/addins/MacPlatform/Dialogs/MacCommonFileDialogHandler.cs:66   
  at MonoDevelop.MacIntegration.MacCommonFileDialogHandler`2[TData,TState].CreatePanel (TData data, TState& saveState) [0x0000f] in /Users/builder/azdo/_work/2/s/main/src/addins/MacPlatform/Dialogs/MacCommonFileDialogHandler.cs:47   
  at MonoDevelop.MacIntegration.MacOpenFileDialogHandler.Run (MonoDevelop.Ide.Extensions.OpenFileDialogData data) [0x0001a] in /Users/builder/azdo/_work/2/s/main/src/addins/MacPlatform/Dialogs/MacOpenFileDialogHandler.cs:80   
ERROR [2021-07-22 00:11:21Z]:   
System.NullReferenceException: Object reference not set to an instance of an object  
  at MonoDevelop.Components.Extensions.SelectFileDialog`1[T].get_SelectedFile () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Components.Extensions/ISelectFileDialog.cs:158   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnOpenProjectButtonClicked (Foundation.NSObject target) [0x00076] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:368   
ERROR [2021-07-22 00:11:21Z]: ???????? ???????? ??? ??????? ???????? ?????????? ?????.  
System.NullReferenceException: Object reference not set to an instance of an object  
  at MonoDevelop.Components.Extensions.SelectFileDialog`1[T].get_SelectedFile () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Components.Extensions/ISelectFileDialog.cs:158   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnOpenProjectButtonClicked (Foundation.NSObject target) [0x00076] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:368   
ERROR [2021-07-22 00:11:52Z]: Creating new project failed.  
System.InvalidOperationException: Service MonoDevelop.Ide.ProjectOperations not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:106   
  at MonoDevelop.Ide.IdeApp.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/Ide.cs:154   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnNewProjectButtonClicked (Foundation.NSObject target) [0x00031] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:389   
ERROR [2021-07-22 00:11:52Z]: ??????? ?????? ?? ???????.  
System.InvalidOperationException: Service MonoDevelop.Ide.ProjectOperations not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:106   
  at MonoDevelop.Ide.IdeApp.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/Ide.cs:154   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnNewProjectButtonClicked (Foundation.NSObject target) [0x00031] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:389   
ERROR [2021-07-22 00:11:59Z]: Creating new project failed.  
System.InvalidOperationException: Service MonoDevelop.Ide.ProjectOperations not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:106   
  at MonoDevelop.Ide.IdeApp.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/Ide.cs:154   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnNewProjectButtonClicked (Foundation.NSObject target) [0x00031] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:389   
ERROR [2021-07-22 00:11:59Z]: ??????? ?????? ?? ???????.  
System.InvalidOperationException: Service MonoDevelop.Ide.ProjectOperations not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:106   
  at MonoDevelop.Ide.IdeApp.get_ProjectOperations () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/Ide.cs:154   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.OnNewProjectButtonClicked (Foundation.NSObject target) [0x00031] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:389   
FATAL ERROR [2021-07-22 00:14:59Z]: Exception bubbled through the main run loop  
System.InvalidOperationException: Service MonoDevelop.Ide.Gui.Documents.DocumentControllerService not initialized  
  at MonoDevelop.Ide.IdeServices.Initialized[T] (T s) [0x00008] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:121   
  at MonoDevelop.Ide.IdeServices.get_DocumentControllerService () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeServices.cs:110   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.UpdateDragCache (MonoDevelop.Core.FilePath file) [0x0003c] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:298   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.ValidateDraggingItem (AppKit.NSDraggingItem draggingItem) [0x00077] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:284   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.CountIfValidDraggingItem (AppKit.NSDraggingItem draggingItem, System.Int32& count, System.Boolean removeInvalid) [0x00000] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:315   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView+<>c__DisplayClass25_0.<DraggingUpdated>b__0 (AppKit.NSDraggingItem draggingItem, System.nint idx, System.Boolean& stop) [0x00000] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:219   
  at ObjCRuntime.Trampolines+SDNSDraggingEnumerator.Invoke (System.IntPtr block, System.IntPtr draggingItem, System.nint idx, System.Boolean& stop) [0x0001c] in /Library/Frameworks/Xamarin.Mac.framework/Versions/6.18.0.23/src/Xamarin.Mac/Trampolines.g.cs:1678   
  at (wrapper native-to-managed) ObjCRuntime.Trampolines+SDNSDraggingEnumerator.Invoke(intptr,intptr,System.nint,byte&)  
  at (wrapper managed-to-native) ObjCRuntime.Messaging.void_objc_msgSend_UInt64_IntPtr_IntPtr_IntPtr_IntPtr(intptr,intptr,ulong,intptr,intptr,intptr,intptr)  
  at AppKit.NSDraggingInfo.EnumerateDraggingItems (AppKit.NSDraggingItemEnumerationOptions enumOpts, AppKit.NSView view, System.IntPtr classArray, Foundation.NSDictionary searchOptions, AppKit.NSDraggingEnumerator enumerator) [0x0007b] in /Library/Frameworks/Xamarin.Mac.framework/Versions/6.18.0.23/src/Xamarin.Mac/NSDraggingInfo.g.cs:363   
  at AppKit.NSDraggingInfo.EnumerateDraggingItems (AppKit.NSDraggingItemEnumerationOptions enumOpts, AppKit.NSView view, Foundation.NSArray classArray, Foundation.NSDictionary searchOptions, AppKit.NSDraggingEnumerator enumerator) [0x00001] in /Library/Frameworks/Xamarin.Mac.framework/Versions/6.18.0.23/src/Xamarin.Mac/AppKit/NSDraggingInfo.cs:19   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.DraggingUpdated (AppKit.NSDraggingInfo sender) [0x0000d] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:216   
  at Xamarin.Ide.GetToCode.GetToCodeMainPageView.DraggingEntered (AppKit.NSDraggingInfo sender) [0x0000c] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.Ide/Xamarin.Ide.GetToCode/GetToCodeMainPageView.cs:210   
  at (wrapper managed-to-native) Gtk.Application.gtk_main()  
  at Gtk.Application.Run () [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/gtk-sharp-None/gtk/Application.cs:145   
  at MonoDevelop.Ide.Extensions.IdeCustomizer.OnRun (System.Func`1[TResult] postInit, System.Action`1[T] shutdown) [0x00020] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Extensions/IdeCustomizer.cs:167   
ERROR [2021-07-22 00:14:59Z]: Error while trying to write session unhandled exception information  
System.NullReferenceException: Object reference not set to an instance of an object  
  at Xamarin.Ide.LogReporting.CrashDetector.WriteExceptionDetails (System.Exception ex) [0x00000] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.IdeCustomization/Xamarin.Ide.LogReporting/CrashDetector.cs:605   
FATAL ERROR [2021-07-22 00:14:59Z]: Visual Studio failed to start. Some of the assemblies required to run Visual Studio (for example gtk-sharp)may not be properly installed in the GAC.  
System.NullReferenceException: Object reference not set to an instance of an object  
  at Xamarin.Ide.LogReporting.SolutionTelemetry.Shutdown () [0x00000] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.IdeCustomization/Xamarin.Ide.LogReporting/SolutionTelemetry.cs:38   
  at Xamarin.IdeCustomization.XamarinCustomizer.OnCoreShutdown (System.Boolean fatal) [0x00012] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.IdeCustomization/Xamarin.IdeCustomization/XamarinCustomizer.cs:118   
  at MonoDevelop.Ide.IdeStartup.Shutdown (System.Boolean fatal) [0x0001c] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeStartup.cs:347   
  at MonoDevelop.Ide.IdeStartup+<>c__DisplayClass7_0.<Run>b__1 (System.Boolean fatal) [0x00000] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeStartup.cs:190   
  at MonoDevelop.Ide.Extensions.IdeCustomizer.OnRun (System.Func`1[TResult] postInit, System.Action`1[T] shutdown) [0x00037] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Extensions/IdeCustomizer.cs:177   
  at MonoDevelop.Ide.IdeStartup.Run (MonoDevelop.Ide.MonoDevelopOptions options) [0x0028e] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeStartup.cs:190   
  at MonoDevelop.Ide.IdeStartup.Main (System.String[] args, MonoDevelop.Ide.Extensions.IdeCustomizer customizer) [0x00098] in /Users/builder/azdo/_work/2/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeStartup.cs:720   
ERROR [2021-07-22 00:14:59Z]: Error while trying to write session unhandled exception information  
System.NullReferenceException: Object reference not set to an instance of an object  
  at Xamarin.Ide.LogReporting.CrashDetector.WriteExceptionDetails (System.Exception ex) [0x00000] in /Users/builder/azdo/_work/2/s/main/src/addins/Xamarin.Ide/Xamarin.IdeCustomization/Xamarin.Ide.LogReporting/CrashDetector.cs:605   
Warning: observer object was not disposed manually with Dispose()][1]  
  

Answer 1

Hi @Лёша Френди

Welcome to Microsoft Q&A!

Thank you for taking time to post this issue in Microsoft Q&A forum. VS for Mac is currently not supported in the Microsoft Q&A forums, the supported products are listed over here: https://learn.microsoft.com/en-us/answers/products/ (more to be added later on).

For the related questions about VS for Mac, you can post here: Visual Studio for Mac (VS for Mac).

Thanks for your understanding.

Sincerely,
Peng
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