java.lang.NullPointerException
	at org.netbeans.modules.form.menu.MenuEditLayer.unconfigureFormListeners(MenuEditLayer.java:349)
	at org.netbeans.modules.form.menu.MenuEditLayer.hideMenuLayer(MenuEditLayer.java:268)
	at org.netbeans.modules.form.menu.MenuEditLayer$3.formChanged(MenuEditLayer.java:331)
	at org.netbeans.modules.form.FormModel.fireEvents(FormModel.java:988)
	at org.netbeans.modules.form.FormModel$EventBroker.run(FormModel.java:1097)
	at org.netbeans.modules.form.FormModel$EventBroker.sendEventImmediately(FormModel.java:1055)
	at org.netbeans.modules.form.FormModel.sendEventImmediately(FormModel.java:1018)
	at org.netbeans.modules.form.FormModel.fireFormToBeClosed(FormModel.java:698)
	at org.netbeans.modules.form.FormEditor.closeForm(FormEditor.java:605)
	at org.netbeans.modules.form.FormEditorSupport.notifyClosed(FormEditorSupport.java:485)
	at org.netbeans.modules.form.FormEditorSupport.multiViewClosed(FormEditorSupport.java:517)
	at org.netbeans.modules.form.FormEditorSupport.access$400(FormEditorSupport.java:103)
	at org.netbeans.modules.form.FormEditorSupport$6.propertyChange(FormEditorSupport.java:614)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:276)
	at org.netbeans.core.windows.RegistryImpl.doFirePropertyChange(RegistryImpl.java:292)
	at org.netbeans.core.windows.RegistryImpl.topComponentClosed(RegistryImpl.java:174)
	at org.netbeans.core.windows.WindowManagerImpl.notifyRegistryTopComponentClosed(WindowManagerImpl.java:992)
	at org.netbeans.core.windows.WindowManagerImpl.notifyTopComponentClosed(WindowManagerImpl.java:964)
	at org.netbeans.core.windows.Central.removeModeTopComponent(Central.java:925)
	at org.netbeans.core.windows.ModeImpl.removeTopComponent(ModeImpl.java:372)
	at org.netbeans.core.windows.ModeImpl.close(ModeImpl.java:219)
	at org.netbeans.core.windows.WindowManagerImpl.topComponentClose(WindowManagerImpl.java:1104)
	at org.openide.windows.TopComponent.close(TopComponent.java:419)
	at org.openide.windows.TopComponent.close(TopComponent.java:405)
	at org.netbeans.modules.project.ui.ProjectUtilities$1.doClose(ProjectUtilities.java:175)
	at org.netbeans.modules.project.ui.ProjectUtilities$1.close(ProjectUtilities.java:103)
	at org.netbeans.modules.project.ui.ProjectUtilities.closeAllDocuments(ProjectUtilities.java:415)
	at org.netbeans.modules.project.ui.OpenProjectList.close(OpenProjectList.java:380)
	at org.netbeans.modules.project.ui.actions.CloseProject.actionPerformed(CloseProject.java:60)
	at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:139)
	at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation$7.run(DefaultProjectOperationsImplementation.java:691)
	at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation$7.run(DefaultProjectOperationsImplementation.java:684)
	at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1216)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177)
	at java.awt.Dialog$1.run(Dialog.java:1039)
	at java.awt.Dialog$3.run(Dialog.java:1091)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:1089)
	at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:812)
	at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:846)
	at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:834)
	at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:82)
	at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1216)
[catch] at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
==>