java.lang.AssertionError: Attempt to fire an unsupported property change event from org.netbeans.modules.ide.ergonomics.fod.FeatureProjectFactory$FeatureDelegate: null at org.netbeans.modules.project.ui.PhysicalView$GroupNode$1.run(PhysicalView.java:310) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178) at java.awt.Dialog$1.run(Dialog.java:1046) at java.awt.Dialog$3.run(Dialog.java:1098) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1096) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:988) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1022) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1010) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:115) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:995) at java.awt.Component.show(Component.java:1423) at java.awt.Component.setVisible(Component.java:1376) at java.awt.Window.setVisible(Window.java:820) at java.awt.Dialog.setVisible(Dialog.java:986) at org.netbeans.modules.uihandler.Installer.showDialog(Installer.java:363) at org.netbeans.modules.uihandler.Installer.access$400(Installer.java:145) at org.netbeans.modules.uihandler.Installer$2.run(Installer.java:328) at org.netbeans.core.windows.WindowManagerImpl$Exclusive.run(WindowManagerImpl.java:1336) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)