java.lang.NoClassDefFoundError: org/netbeans/modules/editor/completion/ScreenBoundsProvider
   at org.netbeans.modules.editor.completion.CompletionLayoutPopup.getPreferredSize(CompletionLayoutPopup.java:166)
   at org.netbeans.modules.editor.completion.CompletionLayout$CompletionPopup.show(CompletionLayout.java:383)
   at org.netbeans.modules.editor.completion.CompletionLayout.showCompletion(CompletionLayout.java:143)
   at org.netbeans.modules.editor.completion.CompletionImpl$7.run(CompletionImpl.java:1016)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:721)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:682)
   at java.awt.EventQueue$3.run(EventQueue.java:680)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:691)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)