java.lang.NullPointerException
   at org.netbeans.modules.javacard.project.refactoring.JCRefactoringFactory.createInstance(JCRefactoringFactory.java:62)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.getPlugins(AbstractRefactoring.java:137)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPreCheck(AbstractRefactoring.java:352)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.preCheck(AbstractRefactoring.java:189)
   at org.netbeans.modules.vmd.midp.codegen.InstanceRenamePlugin.preCheck(InstanceRenamePlugin.java:89)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.pluginsPreCheck(AbstractRefactoring.java:360)
   at org.netbeans.modules.refactoring.api.AbstractRefactoring.preCheck(AbstractRefactoring.java:189)
   at org.netbeans.modules.refactoring.spi.impl.ParametersPanel$10.run(ParametersPanel.java:487)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1369)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1907)