java.lang.NullPointerException
   at org.netbeans.modules.cnd.refactoring.ui.WhereUsedPanel.getScopeProject(WhereUsedPanel.java:155)
   at org.netbeans.modules.cnd.refactoring.ui.WhereUsedQueryUI.setParameters(WhereUsedQueryUI.java:107)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$Prepare.run(ParametersPanel.java:1060)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)