java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at jetbrains.mps.nodeEditor.cellActions.CellAction_DeleteNode.getSiblingToSelect()
    2. JetBrains mps
      WorkbenchModelAccess$3.run
      1. jetbrains.mps.nodeEditor.cellActions.CellAction_DeleteNode.getSiblingToSelect(CellAction_DeleteNode.java:82)
      2. jetbrains.mps.nodeEditor.cellActions.CellAction_DeleteNode.execute(CellAction_DeleteNode.java:65)
      3. jetbrains.mps.nodeEditor.actions.ActionHandlerImpl$1.doExecute(ActionHandlerImpl.java:56)
      4. jetbrains.mps.editor.runtime.commands.EditorCommand.run(EditorCommand.java:52)
      5. jetbrains.mps.smodel.WorkbenchModelAccess$CommandRunnable$1.run(WorkbenchModelAccess.java:642)
      6. jetbrains.mps.smodel.WriteActionDispatcher.run(WriteActionDispatcher.java:39)
      7. jetbrains.mps.smodel.WorkbenchModelAccess$3.run(WorkbenchModelAccess.java:135)
      7 frames
    3. IDEA
      ApplicationImpl.runWriteAction
      1. com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:1010)
      1 frame
    4. JetBrains mps
      WorkbenchModelAccess$CommandRunnable.run
      1. jetbrains.mps.smodel.WorkbenchModelAccess.runWriteAction(WorkbenchModelAccess.java:144)
      2. jetbrains.mps.smodel.WorkbenchModelAccess$CommandRunnable.run(WorkbenchModelAccess.java:637)
      2 frames
    5. IDEA
      CoreCommandProcessor.executeCommand
      1. com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:124)
      2. com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:99)
      2 frames
    6. JetBrains mps
      BaseAction.actionPerformed
      1. jetbrains.mps.smodel.WorkbenchModelAccess.runWriteActionInCommand(WorkbenchModelAccess.java:450)
      2. jetbrains.mps.smodel.WorkbenchModelAccess.executeCommand(WorkbenchModelAccess.java:413)
      3. jetbrains.mps.project.ProjectModelAccess.executeCommand(ProjectModelAccess.java:43)
      4. jetbrains.mps.nodeEditor.actions.ActionHandlerImpl.executeAction(ActionHandlerImpl.java:53)
      5. jetbrains.mps.nodeEditor.actions.ActionHandlerImpl.executeAction(ActionHandlerImpl.java:43)
      6. jetbrains.mps.nodeEditor.selection.EditorCellSelection.executeAction(EditorCellSelection.java:166)
      7. jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection.performDeleteAction(EditorCellLabelSelection.java:200)
      8. jetbrains.mps.nodeEditor.selection.EditorCellLabelSelection.executeAction(EditorCellLabelSelection.java:165)
      9. jetbrains.mps.ide.editor.actions.Backspace_Action.doExecute(Backspace_Action.java:55)
      10. jetbrains.mps.workbench.action.BaseAction$2.run(BaseAction.java:145)
      11. jetbrains.mps.workbench.action.BaseAction.actionPerformed(BaseAction.java:155)
      11 frames
    7. IDEA
      IdeEventQueue.dispatchEvent
      1. com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$3.performAction(IdeKeyEventDispatcher.java:595)
      2. com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:646)
      3. com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:485)
      4. com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:215)
      5. com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:622)
      6. com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:381)
      6 frames
    8. Java RT
      EventDispatchThread.run
      1. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
      2. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
      3. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
      4. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
      5. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
      6. java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
      6 frames