java.lang.IllegalStateException: limitOffset=7673 > docTextLength=7668
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createNextView(ViewBuilder.java:402)
Caused: java.lang.IllegalStateException: ViewBuilder: Error in view creation: prevViewEndOffset=0, matchOffset=7673, docViewEndOffset=7668, lineEndOffset=6, viewRemovalFinished=false
   at org.netbeans.modules.editor.lib2.view.ViewBuilder.createViews(ViewBuilder.java:339)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.buildViews(ViewUpdates.java:145)
   at org.netbeans.modules.editor.lib2.view.ViewUpdates.insertUpdate(ViewUpdates.java:316)
Caused: java.lang.reflect.InvocationTargetException
   at sun.reflect.GeneratedMethodAccessor68.invoke(GeneratedMethodAccessor68.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:459)
Caused: java.lang.reflect.UndeclaredThrowableException
   at $Proxy25.insertUpdate(.java:0)
   at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.insertUpdate(PriorityDocumentListenerList.java:82)
   at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:185)
   at org.netbeans.editor.BaseDocument.fireInsertUpdate(BaseDocument.java:1667)
   at org.netbeans.editor.BaseDocumentEvent.undo(BaseDocumentEvent.java:293)
   at org.netbeans.editor.GuardedDocumentEvent.undo(GuardedDocumentEvent.java:72)
   at javax.swing.undo.CompoundEdit.undo(CompoundEdit.java:46)
   at org.netbeans.editor.BaseDocument$AtomicCompoundEdit.undo(BaseDocument.java:2220)
   at org.netbeans.editor.BaseDocument.breakAtomicLock(BaseDocument.java:1871)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:320)
   at org.openide.text.NbDocument.runAtomic(NbDocument.java:422)
   at org.openide.text.CloneableEditorSupport.clearDocument(CloneableEditorSupport.java:785)
   at org.openide.text.CloneableEditorSupport.access$1700(CloneableEditorSupport.java:133)
   at org.openide.text.CloneableEditorSupport$6$1Query.call(CloneableEditorSupport.java:1719)
   at org.openide.text.CloneableEditorSupport$6.run(CloneableEditorSupport.java:1732)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:314)
   at org.openide.text.NbDocument.runAtomic(NbDocument.java:422)
   at org.openide.text.CloneableEditorSupport.reloadDocument(CloneableEditorSupport.java:1682)
   at org.openide.text.CloneableEditorSupport.checkReload(CloneableEditorSupport.java:2316)
   at org.openide.text.CloneableEditorSupport.access$2600(CloneableEditorSupport.java:133)
   at org.openide.text.CloneableEditorSupport$Listener$1.run(CloneableEditorSupport.java:2952)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:314)
   at org.openide.text.NbDocument.runAtomic(NbDocument.java:422)
   at org.openide.text.CloneableEditorSupport$Listener$1.run(CloneableEditorSupport.java:2944)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)