RSRP-296049: Object reference not set to an instance of an object.

  at JetBrains.ProjectModel.ProjectFolderImpl.FindProjectItemByLocation(FileSystemPath path) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Projects\src\model2\ProjectImplementation\ProjectFolderImpl.cs:line 129
     at JetBrains.VsIntegration.ProjectModel.ProjectModelSynchronizer.GetProjectItemByHierarchyItemCore(VsHierarchyItem hitem, Boolean lookInReferences, OnError onerror) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\ProjectModel\ProjectModelSynchronizer.cs:line 349
     at JetBrains.VsIntegration.ProjectModel.ProjectModelSynchronizer.TryGetProjectItemByHierarchyItem(VsHierarchyItem hitem, Boolean lookInReferences) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\ProjectModel\ProjectModelSynchronizer.cs:line 320
     at JetBrains.VsIntegration.ProjectModel.VSSolutionManager.<>c__DisplayClass31.<OnVsSelectionChanged>b__30() in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\ProjectModel\VSSolutionManager.cs:line 683
     at JetBrains.Application.IShellLocksEx.ExecuteWithReadLock(IShellLocks thіs, Action F) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Shell\src\Threading\ShellLocks.cs:line 989
     at JetBrains.Application.IShellLocksEx.<>c__DisplayClass4.<ExecuteOrQueueReadLock>b__3() in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Shell\src\Threading\ShellLocks.cs:line 813
     at JetBrains.Threading.ReentrancyGuard.Execute(String name, Action action) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\Concurrency\ReentrancyGuard.cs:line 266

  at JetBrains.Threading.ReentrancyGuard.ExecuteOrQueue(String name, Action action) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\Concurrency\ReentrancyGuard.cs:line 304
     at JetBrains.Threading.IThreadingEx.ExecuteOrQueue(IThreading thіs, String name, Action action) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Shell\src\Threading\Invocator.cs:line 218
     at JetBrains.Application.IShellLocksEx.ExecuteOrQueueReadLock(IShellLocks thіs, String name, Action F) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Shell\src\Threading\ShellLocks.cs:line 813
     at JetBrains.VsIntegration.ProjectModel.VSSolutionManager.OnVsSelectionChanged(AddRemoveEventArgs`1 addRemoveEventArgs) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\ProjectModel\VSSolutionManager.cs:line 672
     at JetBrains.DataFlow.ICollectionSignalEx.<>c__DisplayClass7`1.<Advise_Remove>b__6(AddRemoveEventArgs`1 args) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Extension\ICollectionSignalEx.cs:line 62
     at JetBrains.DataFlow.Signal`1.NotifySinks(TValue payload) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Signal!1.cs:line 363
     at JetBrains.DataFlow.Signal`1.Fire(TValue value, Object cookie) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Signal!1.cs:line 524
     at JetBrains.DataFlow.CollectionEvents`1.FireAddRemove(AddRemove action, TValue value, Object cookie) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\CollectionEvents!1.cs:line 272
     at JetBrains.DataFlow.CollectionEvents`1.InternalRemove(TValue value, Object cookie) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\CollectionEvents!1.cs:line 434
     at JetBrains.DataFlow.CollectionEvents`1.Remove(TValue value, Object cookie) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\CollectionEvents!1.cs:line 681
     at JetBrains.VsIntegration.Interop.Events.VsSelection.<>c__DisplayClass4.<.ctor>b__1(VsHierarchyItem item) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\Interop\Events\VsSelectionEvents.cs:line 62
     at System.Collections.Generic.List`1.ForEach(Action`1 action)
     at JetBrains.VsIntegration.Interop.Events.VsSelection.<>c__DisplayClass4.<.ctor>b__0() in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\Interop\Events\VsSelectionEvents.cs:line 62
     at JetBrains.DataFlow.ISignalEx.<>c__DisplayClass1`1.<Advise>b__0(TValue value) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Extension\ISignalEx.cs:line 22
     at JetBrains.DataFlow.Signal`1.NotifySinks(TValue payload) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Signal!1.cs:line 363
     at JetBrains.DataFlow.Signal`1.Fire(TValue value, Object cookie) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Signal!1.cs:line 524
     at JetBrains.DataFlow.Signal`1.Fire(TValue value) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\Util\src\DataFlow\Signal!1.cs:line 473
     at JetBrains.VsIntegration.Interop.Events.VsSelection.Sink.Microsoft.VisualStudio.Shell.Interop.IVsSelectionEvents.OnSelectionChanged(IVsHierarchy pHierOld, UInt32 itemidOld, IVsMultiItemSelect pMISOld, ISelectionContainer pSCOld, IVsHierarchy pHierNew, UInt32 itemidNew, IVsMultiItemSelect pMISNew, ISelectionContainer pSCNew) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\Interop\Events\VsSelectionEvents.cs:line 224
     at Microsoft.VisualStudio.Shell.Interop.IVsTrackSelectionEx.OnSelectChangeEx(IntPtr pHier, UInt32 itemid, IVsMultiItemSelect pMIS, IntPtr pSC)
     at Microsoft.VisualStudio.Platform.WindowManagement.DocumentObjectSite.ReleaseDocument(__FRAMECLOSE frameClose)
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.QueryCloseFrame(__FRAMECLOSE originalFrameClose, Int32& hr)
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.frameView_Hiding(Object sender, CancelEventArgs e)
     at Microsoft.VisualStudio.PlatformUI.ExtensionMethods.RaiseEvent(CancelEventHandler eventHandler, Object source, CancelEventArgs args)
     at Microsoft.VisualStudio.PlatformUI.Shell.View.RaiseHiding()
     at Microsoft.VisualStudio.PlatformUI.Shell.View.Hide()
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.OnHideViewCore(ViewElement closingViewElement, Boolean hideOnlyActiveView)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.OnHideView(Object sender, ExecutedRoutedEventArgs args)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.<.cctor>b__9(Object sender, ExecutedRoutedEventArgs args)
     at System.Windows.Input.CommandBinding.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
     at System.Windows.Input.CommandManager.ExecuteCommandBinding(Object sender, ExecutedRoutedEventArgs e, CommandBinding commandBinding)
     at System.Windows.Input.CommandManager.FindCommandBinding(CommandBindingCollection commandBindings, Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
     at System.Windows.Input.CommandManager.FindCommandBinding(Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
     at System.Windows.Input.CommandManager.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
     at System.Windows.UIElement.OnExecutedThunk(Object sender, ExecutedRoutedEventArgs e)
     at System.Windows.Input.ExecutedRoutedEventArgs.InvokeEventHandler(Delegate genericHandler, Object target)
     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.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
     at System.Windows.Input.RoutedCommand.ExecuteImpl(Object parameter, IInputElement target, Boolean userInitiated)
     at System.Windows.Input.RoutedCommand.ExecuteCore(Object parameter, IInputElement target, Boolean userInitiated)
     at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
     at System.Windows.Controls.Primitives.ButtonBase.OnClick()
     at System.Windows.Controls.Button.OnClick()
     at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
     at System.Windows.UIElement.OnMouseLeftButtonUpThunk(Object sender, MouseButtonEventArgs e)
     at System.Windows.Input.MouseButtonEventArgs.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.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
     at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
     at System.Windows.Input.MouseButtonEventArgs.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.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
     at System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
     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)