java.lang.AssertionError: Unsupported removeType=RETAIN_LAST_CARET in nested transaction
   at org.netbeans.api.editor.caret.EditorCaret.runTransaction(EditorCaret.java:1600)
   at org.netbeans.api.editor.caret.EditorCaret.setDot(EditorCaret.java:561)
   at org.netbeans.api.editor.caret.EditorCaret.setDot(EditorCaret.java:533)
   at org.netbeans.api.editor.caret.EditorCaret$ListenerImpl.implicitSetDot(EditorCaret.java:2540)
   at org.netbeans.api.editor.caret.EditorCaret$ListenerImpl.modifiedUpdate(EditorCaret.java:2526)
   at org.netbeans.api.editor.caret.EditorCaret$ListenerImpl.removeUpdate(EditorCaret.java:2481)
   at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.removeUpdate(PriorityDocumentListenerList.java:116)
   at javax.swing.text.AbstractDocument.fireRemoveUpdate(AbstractDocument.java:259)
   at org.netbeans.editor.BaseDocument.fireRemoveUpdate(BaseDocument.java:1628)
   at org.netbeans.editor.BaseDocument.handleRemove(BaseDocument.java:1016)
   at org.netbeans.editor.BaseDocument$FilterBypassImpl.remove(BaseDocument.java:2584)
   at javax.swing.text.DocumentFilter.remove(DocumentFilter.java:79)
   at org.openide.text.CloneableEditorSupport$DocFilter.remove(CloneableEditorSupport.java:2389)
   at org.netbeans.editor.BaseDocument.remove(BaseDocument.java:932)
   at org.netbeans.editor.ActionFactory$RemoveLineAction$1$1.moveCarets(ActionFactory.java:464)
   at org.netbeans.api.editor.caret.CaretTransaction.runCaretMoveHandler(CaretTransaction.java:323)
   at org.netbeans.api.editor.caret.EditorCaret.runTransaction(EditorCaret.java:1513)
   at org.netbeans.api.editor.caret.EditorCaret.runTransaction(EditorCaret.java:1482)
   at org.netbeans.api.editor.caret.EditorCaret.moveCarets(EditorCaret.java:668)
   at org.netbeans.editor.ActionFactory$RemoveLineAction$1.run(ActionFactory.java:445)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:356)
   at org.netbeans.editor.ActionFactory$RemoveLineAction.actionPerformed(ActionFactory.java:439)
   at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339)
   at org.netbeans.spi.editor.AbstractEditorAction.actionPerformed(AbstractEditorAction.java:462)
   at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1663)
   at javax.swing.JComponent.processKeyBinding(JComponent.java:2882)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:2929)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2845)
   at java.awt.Component.processEvent(Component.java:6310)
   at java.awt.Container.processEvent(Container.java:2236)
   at java.awt.Component.dispatchEventImpl(Component.java:4889)
   at java.awt.Container.dispatchEventImpl(Container.java:2294)
   at java.awt.Component.dispatchEvent(Component.java:4711)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771)
   at java.awt.Component.dispatchEventImpl(Component.java:4760)
   at java.awt.Container.dispatchEventImpl(Container.java:2294)
   at java.awt.Window.dispatchEventImpl(Window.java:2746)
   at java.awt.Component.dispatchEvent(Component.java:4711)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:709)
   at java.awt.EventQueue$3.run(EventQueue.java:703)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
   at java.awt.EventQueue$4.run(EventQueue.java:731)
   at java.awt.EventQueue$4.run(EventQueue.java:729)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)