java.lang.ArrayIndexOutOfBoundsException: 2174
        at org.netbeans.lib.lexer.LAState$LargeState.state(LAState.java:408)
        at org.netbeans.lib.lexer.inc.IncTokenList.state(IncTokenList.java:246)
        at org.netbeans.lib.lexer.inc.IncTokenList.replaceTokens(IncTokenList.java:353)
        at org.netbeans.lib.lexer.inc.TokenListUpdater.updateRegular(TokenListUpdater.java:279)
        at org.netbeans.lib.lexer.inc.TokenHierarchyUpdate$UpdateItem.update(TokenHierarchyUpdate.java:346)
        at org.netbeans.lib.lexer.inc.TokenHierarchyUpdate.processLevelInfos(TokenHierarchyUpdate.java:221)
        at org.netbeans.lib.lexer.inc.TokenHierarchyUpdate.updateImpl(TokenHierarchyUpdate.java:193)
        at org.netbeans.lib.lexer.inc.TokenHierarchyUpdate.update(TokenHierarchyUpdate.java:130)
        at org.netbeans.lib.lexer.TokenHierarchyOperation.textModified(TokenHierarchyOperation.java:523)
        at org.netbeans.spi.lexer.TokenHierarchyControl.textModified(TokenHierarchyControl.java:93)
        at org.netbeans.lib.lexer.inc.DocumentInput.removeUpdate(DocumentInput.java:143)
        at org.netbeans.lib.editor.util.swing.PriorityDocumentListenerList.removeUpdate(PriorityDocumentListenerList.java:99)
        at javax.swing.text.AbstractDocument.fireRemoveUpdate(AbstractDocument.java:243)
        at org.netbeans.editor.BaseDocument.fireRemoveUpdate(BaseDocument.java:1617)
        at org.netbeans.editor.BaseDocumentEvent.undo(BaseDocumentEvent.java:310)
        at org.netbeans.editor.GuardedDocumentEvent.undo(GuardedDocumentEvent.java:69)
        at javax.swing.undo.CompoundEdit.undo(CompoundEdit.java:46)
        at org.netbeans.editor.BaseDocument$AtomicCompoundEdit.undo(BaseDocument.java:2167)
        at org.netbeans.editor.BaseDocument.breakAtomicLock(BaseDocument.java:1805)
        at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:330)
        at org.netbeans.editor.BaseKit$DefaultKeyTypedAction.actionPerformed(BaseKit.java:1084)
        at org.netbeans.editor.ext.ExtKit$ExtDefaultKeyTypedAction.actionPerformed(ExtKit.java:1014)
        at org.netbeans.modules.gsf.GsfEditorKitFactory$GsfEditorKit$GsfDefaultKeyTypedAction.actionPerformed(GsfEditorKitFactory.java:245)
        at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:296)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1636)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2849)
        at javax.swing.JComponent.processKeyBindings(JComponent.java:2884)
        at javax.swing.JComponent.processKeyEvent(JComponent.java:2812)
        at java.awt.Component.processEvent(Component.java:5818)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4413)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1848)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:697)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:962)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:834)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:661)
        at java.awt.Component.dispatchEventImpl(Component.java:4285)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Window.dispatchEventImpl(Window.java:2440)
        at java.awt.Component.dispatchEvent(Component.java:4243)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)