java.lang.IllegalStateException: Attempt to use the fold [code-block] E0 <7307,7710>, desc='{...}', hash=0x68ed9d, [7308, 7709] {7308, 7709} with invalid fold operation org.netbeans.modules.editor.fold.FoldOperationImpl@1831a26 instead of org.netbeans.modules.editor.fold.FoldOperationImpl@29d664
   at org.netbeans.modules.editor.fold.FoldOperationImpl.checkFoldOperation(FoldOperationImpl.java:242)
   at org.netbeans.modules.editor.fold.FoldOperationImpl.removeFromHierarchy(FoldOperationImpl.java:189)
   at org.netbeans.spi.editor.fold.FoldOperation.removeFromHierarchy(FoldOperation.java:182)
   at org.netbeans.modules.java.editor.fold.JavaElementFoldManager$CommitFolds.run(JavaElementFoldManager.java:372)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1353)
   at org.netbeans.modules.java.editor.fold.JavaElementFoldManager$CommitFolds.run(JavaElementFoldManager.java:347)
   at org.netbeans.modules.java.editor.fold.JavaElementFoldManager$JavaElementFoldTask$1.run(JavaElementFoldManager.java:302)
   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:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)