RSRP-291857: Object reference not set to an instance of an object.

  at JetBrains.VsIntegration.ProjectModel.VSSolutionManager.<>c__DisplayClass20.<OnAfterAddFilesEx>b__1f() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\VisualStudio\Core\src\ProjectModel\VSSolutionManager.cs:line 485
     at JetBrains.Util.Concurrency.UnguardedCallbackMerger.<>c__DisplayClass3.<ExecuteOrQueueOrMerge>b__0() in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Concurrency\UnguardedCallbackMerger.cs:line 139
     at JetBrains.Threading.ReentrancyGuard.Execute(String name, Action action) in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Concurrency\ReentrancyGuard.cs:line 266

  at JetBrains.Threading.ReentrancyGuard.TryExecute(String name, Action action) in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Concurrency\ReentrancyGuard.cs:line 415
     at JetBrains.Threading.ReentrancyGuardEx.ExecuteOrQueue(ReentrancyGuard thіs, Lifetime lifetime, String name, Action F) in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Concurrency\ReentrancyGuardEx.cs:line 64
     at JetBrains.Util.Concurrency.UnguardedCallbackMerger.ExecuteOrQueueOrMerge(Lifetime lifetimeQueue, String name, Action F) in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\Util\src\Concurrency\UnguardedCallbackMerger.cs:line 136
     at JetBrains.VsIntegration.ProjectModel.VSSolutionManager.OnAfterAddFilesEx(Int32 cProjects, Int32 cFiles, IVsProject[] rgpProjects, Int32[] rgFirstIndices, String[] rgpszMkDocuments, VSADDFILEFLAGS[] rgFlags) in c:\BuildAgent\work\3355b838ddaf4e5c\Platform\src\VisualStudio\Core\src\ProjectModel\VSSolutionManager.cs:line 479
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.IVCBuildPackageInternal.InformFileAdded(VCProject project, String file)
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectShim.<>c__DisplayClass15a.<OnAddNewFile>b__158()
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.Invoke(Action method)
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectShim.OnAddNewFile(VCFileShim fileAdded)
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectShim.<>c__DisplayClass16.<AddFile>b__15()
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.ApartmentMarshaler.Invoke(Action method)
     at Microsoft.VisualStudio.Project.VisualC.VCProjectEngine.VCProjectShim.AddFile(String path)
     at Microsoft.VisualStudio.Shell.Interop.IVsProject.AddItem(UInt32 itemidLoc, VSADDITEMOPERATION dwAddItemOperation, String pszItemName, UInt32 cFilesToOpen, String[] rgpszFilesToOpen, IntPtr hwndDlgOwner, VSADDRESULT[] pResult)
     at Microsoft.VisualStudio.Dialogs.SVsDialogService.AddNewItem(NewProjectDialog npd, VSNEWPROJECTDLGINFO dlgInfo)
     at Microsoft.VisualStudio.Dialogs.SVsDialogService.InvokeDialog(VSNEWPROJECTDLGINFO dlgInfo, String& bstrLocation)
     at Microsoft.VisualStudio.Shell.Interop.IVsUIDataSource.Invoke(String verb, Object pvaIn, Object& pvaOut)
     at Microsoft.Internal.VisualStudio.PlatformUI.DataSource.Invoke(String verb, Object pvaIn, Object& pvaOut)
     at Microsoft.VisualStudio.PlatformUI.VsCommand.Execute(Object parameter)
     at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
     at System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
     at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
     at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
     at System.Windows.Threading.DispatcherOperation.InvokeImpl()
     at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
     at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
     at System.Windows.Threading.DispatcherOperation.Invoke()
     at System.Windows.Threading.Dispatcher.ProcessQueue()
     at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
     at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
     at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
     at System.Windows.Threading.DispatcherOperation.InvokeImpl()
     at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
     at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
     at System.Windows.Threading.DispatcherOperation.Invoke()
     at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherOperation operation, CancellationToken cancellationToken, TimeSpan timeout)
     at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
     at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
     at Microsoft.VisualStudio.PlatformUI.NativeMethods.DispatchMessage(MSG& lpmsg)
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowManagerService.<PushMessageLoopOnContextMenuTrackingComponent>b__69(Object sender, PreTranslateMessageEventArgs args)
     at Microsoft.VisualStudio.PlatformUI.OleComponentSupport.OleComponent.FPreTranslateMessageCore(MSG[] pMsg)
     at Microsoft.VisualStudio.PlatformUI.OleComponentSupport.OleComponent.Microsoft.VisualStudio.OLE.Interop.IOleComponent.FPreTranslateMessage(MSG[] pMsg)
     at Microsoft.VisualStudio.OLE.Interop.IOleComponentManager.FPushMessageLoop(UInt32 dwComponentID, UInt32 uReason, IntPtr pvLoopData)
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowManagerService.PushMessageLoopOnContextMenuTrackingComponent()
     at Microsoft.VisualStudio.Shell.Interop.IVsUIHierarchy.ExecCommand(UInt32 itemid, Guid& pguidCmdGroup, UInt32 nCmdID, UInt32 nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
     at Microsoft.VisualStudio.Labs.HierarchyUtilities.<>c__DisplayClass22.<ExecHierParentChain>b__1f()
     at Microsoft.VisualStudio.ErrorHandler.CallWithCOMConvention(Func`1 method)
     at Microsoft.VisualStudio.Labs.HierarchyUtilities.ExecHierParentChain(IVsHierarchyItemManager manager, IVsUIHierarchy lpUIHCmd, IVsUIHierarchy lpUIHCurrent, UInt32 itemidCurrent, Guid& pguidCmdGroupRef, UInt32 nCmdID, UInt32 nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
     at Microsoft.VisualStudio.Labs.HierarchyItem.HierarchyContextMenuController.ShowContextMenu(IEnumerable`1 items, Point location)
     at Microsoft.VisualStudio.Labs.ContextMenuController.ShowContextMenu(IEnumerable`1 items, Point location, Func`2 getController)
     at Microsoft.VisualStudio.Labs.ContextMenuController.ShowContextMenu(IEnumerable`1 items, Point location)
     at Microsoft.VisualStudio.Labs.PivotTreeView.OnContextMenuOpening(ContextMenuEventArgs e)
     at System.Windows.FrameworkElement.OnContextMenuOpeningThunk(Object sender, ContextMenuEventArgs e)
     at System.Windows.Controls.ContextMenuEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
     at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
     at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
     at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
     at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
     at System.Windows.ContentElement.RaiseTrustedEvent(RoutedEventArgs args)
     at System.Windows.ContentElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
     at System.Windows.Controls.PopupControlService.RaiseContextMenuOpeningEvent(IInputElement source, Double x, Double y, Boolean userInitiated)
     at System.Windows.Controls.PopupControlService.ProcessMouseUp(Object sender, MouseButtonEventArgs e)
     at System.Windows.Controls.PopupControlService.OnPostProcessInput(Object sender, ProcessInputEventArgs e)
     at System.Windows.Input.InputManager.RaiseProcessInputEventHandlers(ProcessInputEventHandler postProcessInput, ProcessInputEventArgs processInputEventArgs)
     at System.Windows.Input.InputManager.ProcessStagingArea()
     at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
     at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
     at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
     at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
     at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
     at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
     at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
     at System.Windows.Threading.DispatcherOperation.InvokeImpl()
     at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
     at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
     at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
     at System.Windows.Threading.DispatcherOperation.Invoke()
     at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherOperation operation, CancellationToken cancellationToken, TimeSpan timeout)
     at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
     at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)