RSRP-295229: 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 352
     at JetBrains.VsIntegration.ProjectModel.ProjectModelSynchronizer.TryGetProjectItemByHierarchyItem(VsHierarchyItem hitem, Boolean lookInReferences) in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\ProjectModel\ProjectModelSynchronizer.cs:line 323
     at JetBrains.VsIntegration.ProjectModel.VSSolutionManager.<>c__DisplayClass31.<OnVsSelectionChanged>b__30() in c:\BuildAgent\work\1d5606e7e667bf54\Platform\src\VisualStudio\Core\src\ProjectModel\VSSolutionManager.cs:line 685
     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 674
     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.Internal.VisualStudio.Shell.Interop.IVsTrackSelectionExPrivate.Register()
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.ConnectSelectionContext()
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame.Activate()
     at Microsoft.VisualStudio.Platform.WindowManagement.WindowManagerService.viewManager_ActiveViewChanged(Object sender, ActiveViewChangedEventArgs e)
     at Microsoft.VisualStudio.PlatformUI.ExtensionMethods.RaiseEvent[TEventArgs](EventHandler`1 eventHandler, Object source, TEventArgs args)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.SetActiveView(View view, ActivationType type)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.ActivateViewFromTabControl(TabControl tabControl, ActivationType type)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.OnTabControlSelectionChanged(Object sender, SelectionChangedEventArgs args)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.<.cctor>b__1b(Object sender, SelectionChangedEventArgs args)
     at System.Windows.Controls.SelectionChangedEventArgs.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.RaiseEvent(RoutedEventArgs e)
     at System.Windows.Controls.TabControl.OnSelectionChanged(SelectionChangedEventArgs e)
     at Microsoft.VisualStudio.PlatformUI.LayoutSynchronizedTabControl.OnSelectionChanged(SelectionChangedEventArgs e)
     at System.Windows.Controls.Primitives.Selector.InvokeSelectionChanged(List`1 unselectedInfos, List`1 selectedInfos)
     at System.Windows.Controls.Primitives.Selector.SelectionChanger.End()
     at System.Windows.Controls.Primitives.Selector.SetSelectedHelper(Object item, FrameworkElement UI, Boolean selected)
     at System.Windows.Controls.Primitives.Selector.NotifyIsSelectedChanged(FrameworkElement container, Boolean selected, RoutedEventArgs e)
     at System.Windows.Controls.Primitives.Selector.OnSelected(Object sender, RoutedEventArgs e)
     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 e)
     at System.Windows.Controls.TabItem.HandleIsSelectedChanged(Boolean newValue, RoutedEventArgs e)
     at Microsoft.VisualStudio.PlatformUI.Shell.Controls.DocumentTabItem.OnSelected(RoutedEventArgs e)
     at System.Windows.Controls.TabItem.OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
     at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
     at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
     at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
     at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
     at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.OnTabItemMouseDown(Object sender, MouseButtonEventArgs args)
     at Microsoft.VisualStudio.PlatformUI.Shell.ViewManager.<.cctor>b__1e(Object sender, MouseButtonEventArgs args)
     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)