java.lang.IllegalStateException: The data object MasterFileObject@1c516b2[F:/netbeans/projects60/M6/MobileApplication2/src/hello/HelloMidlet.java] is invalid; you may not call getNodeDelegate on it any more; see #17020 and please fix your code
	at org.openide.loaders.DataObject.getNodeDelegate(DataObject.java:245)
	at org.netbeans.modules.project.ui.ProjectUtilities$3.run(ProjectUtilities.java:251)
	at org.openide.util.Mutex.doEvent(Mutex.java:1181)
	at org.openide.util.Mutex.writeAccess(Mutex.java:376)
	at org.netbeans.modules.project.ui.ProjectUtilities.openAndSelectNewObject(ProjectUtilities.java:249)
[catch] at org.netbeans.modules.project.ui.actions.NewProject$2.run(NewProject.java:187)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	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)