Crash when undoing in graph with Revit nodes in Sandbox #9910
Description
Dynamo version
2.0.2
Operating system
Windows 10
What did you do?
Open graph that has Revit nodes in Dynamo Sandbox.
Move group on canvas
Undo move -> crash
What did you expect to see?
No crash.
What did you see instead?
Crash.
Happens only on this graph, trying to move the get room boundaries & combine intersecting... groups, then undo.
Stack trace
Object reference not set to an instance of an object.
at Dynamo.Graph.Nodes.CodeBlockNodeModel.LoadAndCreateConnectors(OrderedDictionary inportConnections, OrderedDictionary outportConnections, SaveContext context)
at Dynamo.Graph.Nodes.CodeBlockNodeModel.DeserializeCore(XmlElement nodeElement, SaveContext context)
at Dynamo.Graph.Workspaces.WorkspaceModel.ReloadModel(XmlElement modelData)
at Dynamo.Core.UndoRedoRecorder.UndoActionGroup(XmlElement actionGroup)
at Dynamo.Graph.Workspaces.WorkspaceModel.Undo()
at Dynamo.Models.DynamoModel.ExecuteCommand(RecordableCommand command)
at System.Windows.Input.CommandManager.TranslateInput(IInputElement targetElement, InputEventArgs inputEventArgs)
at System.Windows.UIElement.OnKeyDownThunk(Object sender, KeyEventArgs e)
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.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
at System.Windows.Interop.HwndKeyboardInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawKeyboardActions actions, Int32 scanCode, Boolean isExtendedKey, Boolean isSystemKey, Int32 virtualKey)
at System.Windows.Interop.HwndKeyboardInputProvider.ProcessKeyAction(MSG& msg, Boolean& handled)
at System.Windows.Interop.HwndSource.CriticalTranslateAccelerator(MSG& msg, ModifierKeys modifiers)
at System.Windows.Interop.HwndSource.OnPreprocessMessage(Object param)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
at System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg)
at System.Windows.Interop.HwndSource.OnPreprocessMessageThunk(MSG& msg, Boolean& handled)
at System.Windows.Interop.ThreadMessageEventHandler.Invoke(MSG& msg, Boolean& handled)
at System.Windows.Interop.ComponentDispatcherThread.RaiseThreadMessage(MSG& msg)
at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
at System.Windows.Application.RunDispatcher(Object ignore)
at System.Windows.Application.RunInternal(Window window)
at DynamoSandbox.DynamoCoreSetup.RunApplication(Application app)