java.lang.ClassCastException: org.openide.text.UndoRedoManager cannot be cast to org.netbeans.modules.properties.PropertiesEditorSupport$UndoRedoStampFlagManager
   at org.netbeans.modules.properties.PropertiesOpen$CompoundUndoRedoManager.getNextUndo(PropertiesOpen.java:1493)
   at org.netbeans.modules.properties.PropertiesOpen$CompoundUndoRedoManager.getUndoPresentationName(PropertiesOpen.java:1629)
   at org.openide.actions.UndoRedoAction.getName(UndoRedoAction.java:190)
   at org.openide.actions.UndoRedoAction.run(UndoRedoAction.java:158)
   at org.openide.actions.UndoRedoAction.propertyChange(UndoRedoAction.java:237)
   at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:321)
   at org.netbeans.core.windows.RegistryImpl.access$100(RegistryImpl.java:69)
   at org.netbeans.core.windows.RegistryImpl$1.run(RegistryImpl.java:173)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:705)
   at java.awt.EventQueue.access$000(EventQueue.java:101)
   at java.awt.EventQueue$3.run(EventQueue.java:666)
   at java.awt.EventQueue$3.run(EventQueue.java:664)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:675)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:162)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)