javax.swing.text.BadLocationException: Modification not allowed
   at org.openide.text.CloneableEditorSupport$DocFilter.modificationNotAllowed(CloneableEditorSupport.java:2430)
   at org.openide.text.CloneableEditorSupport$DocFilter.checkModificationAllowed(CloneableEditorSupport.java:2424)
   at org.openide.text.CloneableEditorSupport$DocFilter.insertString(CloneableEditorSupport.java:2360)
   at org.netbeans.editor.BaseDocument.insertString(BaseDocument.java:755)
   at org.netbeans.modules.php.twig.editor.actions.ToggleBlockCommentAction$Positions.comment(ToggleBlockCommentAction.java:305)
   at org.netbeans.modules.php.twig.editor.actions.ToggleBlockCommentAction$ToggleCommentType$1.comment(ToggleBlockCommentAction.java:140)
   at org.netbeans.modules.php.twig.editor.actions.ToggleBlockCommentAction.performCustomAction(ToggleBlockCommentAction.java:104)
   at org.netbeans.modules.php.twig.editor.actions.ToggleBlockCommentAction.access$000(ToggleBlockCommentAction.java:68)
   at org.netbeans.modules.php.twig.editor.actions.ToggleBlockCommentAction$1.run(ToggleBlockCommentAction.java:92)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:323)
   at org.netbeans.modules.php.twig.editor.actions.ToggleBlockCommentAction.actionPerformed(ToggleBlockCommentAction.java:88)
   at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339)
   at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1663)
   at javax.swing.JComponent.processKeyBinding(JComponent.java:2879)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:2926)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2842)
   at java.awt.Component.processEvent(Component.java:6302)
   at java.awt.Container.processEvent(Container.java:2234)
   at java.awt.Component.dispatchEventImpl(Component.java:4881)
   at java.awt.Container.dispatchEventImpl(Container.java:2292)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771)
   at java.awt.Component.dispatchEventImpl(Component.java:4752)
   at java.awt.Container.dispatchEventImpl(Container.java:2292)
   at java.awt.Window.dispatchEventImpl(Window.java:2739)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
   at java.awt.EventQueue$4.run(EventQueue.java:719)
   at java.awt.EventQueue$4.run(EventQueue.java:717)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)