java.lang.NullPointerException
        at org.openide.awt.Toolbar$Folder.createInstance(Toolbar.java:454)
        at org.openide.loaders.FolderInstance.defaultProcessObjectsFinal(FolderInstance.java:870)
        at org.openide.loaders.FolderInstance$1R.run(FolderInstance.java:735)
        at org.openide.util.Task.run(Task.java:249)
        at org.netbeans.modules.openide.loaders.AWTTask.run(AWTTask.java:70)
        at org.netbeans.modules.openide.loaders.AWTTask$Processor.run(AWTTask.java:111)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:0)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:0)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:117)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:0)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:0)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:0)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:0)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:0)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:0)