java.util.EmptyStackException
	at java.util.Stack.peek(Stack.java:85)
	at java.util.Stack.pop(Stack.java:67)
	at org.netbeans.modules.javacore.parser.MDRParser.enterBody(MDRParser.java:210)
	at org.netbeans.modules.javacore.parser.MDRParser.doAttribution(MDRParser.java:175)
	at org.netbeans.modules.javacore.parser.MDRParser.getSemanticInfo(MDRParser.java:148)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.ElementReferenceImpl.getElement(ElementReferenceImpl.java:63)
	at org.netbeans.jmi.javamodel.MethodInvocation$Impl.getElement(Unknown Source)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.isMatch(UsageFinder.java:180)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.getUsers(UsageFinder.java:164)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.getUsers(UsageFinder.java:167)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.getUsers(UsageFinder.java:167)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.getUsers(UsageFinder.java:167)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.getUsers(UsageFinder.java:149)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder.access$200(UsageFinder.java:36)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder$LazyIterator.findNext(UsageFinder.java:306)
	at org.netbeans.modules.javacore.jmiimpl.javamodel.UsageFinder$LazyIterator.hasNext(UsageFinder.java:336)
	at org.netbeans.modules.refactoring.plugins.MoveClassRefactoringPlugin.isAccessedByOriginalPackage(MoveClassRefactoringPlugin.java:645)
	at org.netbeans.modules.refactoring.plugins.MoveClassRefactoringPlugin.preCheck(MoveClassRefactoringPlugin.java:161)
	at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPreCheck(AbstractRefactoring.java:299)
	at org.netbeans.modules.refactoring.api.AbstractRefactoring.preCheck(AbstractRefactoring.java:144)
	at org.netbeans.modules.refactoring.spi.ui.ParametersPanel$9.run(ParametersPanel.java:441)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:493)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:926)