java.lang.NullPointerException
	at org.netbeans.modules.form.FormRefactoringUpdate.renameMetaComponent(FormRefactoringUpdate.java:251)
	at org.netbeans.modules.form.FormRefactoringUpdate.commit(FormRefactoringUpdate.java:150)
	at org.netbeans.modules.refactoring.api.RefactoringSession.doRefactoring(RefactoringSession.java:91)
	at org.netbeans.modules.refactoring.spi.impl.UndoManager$SessionUndoItem.redo(UndoManager.java:512)
	at org.netbeans.modules.refactoring.spi.impl.UndoManager.redo(UndoManager.java:210)
	at org.netbeans.modules.refactoring.spi.impl.RedoAction.performAction(RedoAction.java:74)
	at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:96)
	at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.actionPerformed(ActionsBridge.java:89)
	at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:82)
	at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:30)
	at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.doRun(ActionsBridge.java:80)
	at org.netbeans.modules.openide.util.ActionsBridge$1.run(ActionsBridge.java:49)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)