org.netbeans.editor.GuardedException: Attempt to remove from guarded block at position 75,766.
   at org.netbeans.editor.GuardedDocument.preRemoveCheck(GuardedDocument.java:296)
   at org.netbeans.editor.BaseDocument.handleRemove(BaseDocument.java:967)
   at org.netbeans.editor.BaseDocument$FilterBypassImpl.remove(BaseDocument.java:2583)
   at javax.swing.text.DocumentFilter.remove(DocumentFilter.java:79)
   at org.openide.text.CloneableEditorSupport$DocFilter.remove(CloneableEditorSupport.java:2387)
   at org.netbeans.editor.BaseDocument.remove(BaseDocument.java:931)
   at org.netbeans.modules.java.source.save.Reformatter.reformatImpl(Reformatter.java:357)
   at org.netbeans.modules.java.source.save.Reformatter.reformat(Reformatter.java:109)
   at org.netbeans.modules.editor.indent.TaskHandler$MimeItem.runTask(TaskHandler.java:557)
   at org.netbeans.modules.editor.indent.TaskHandler.runTasks(TaskHandler.java:316)
   at org.netbeans.modules.editor.indent.IndentImpl.reformat(IndentImpl.java:365)
   at org.netbeans.modules.editor.indent.api.Reformat.reformat(Reformat.java:154)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.reformat(ReformatBeforeSaveTask.java:268)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.performTask(ReformatBeforeSaveTask.java:103)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable$1.run(BeforeSaveTasks.java:173)
   at org.netbeans.editor.GuardedDocument.runAtomicAsUser(GuardedDocument.java:356)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:156)
   at org.netbeans.modules.editor.lib.TrailingWhitespaceRemove.runLocked(TrailingWhitespaceRemove.java:102)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.editor.impl.ReformatBeforeSaveTask.runLocked(ReformatBeforeSaveTask.java:119)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$TaskRunnable.run(BeforeSaveTasks.java:153)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks.runTasks(BeforeSaveTasks.java:130)
   at org.netbeans.modules.editor.lib.BeforeSaveTasks$2.run(BeforeSaveTasks.java:111)
   at org.openide.text.CloneableEditorSupport.saveDocumentImpl(CloneableEditorSupport.java:751)
   at org.openide.text.CloneableEditorSupport.saveDocument(CloneableEditorSupport.java:642)
   at org.openide.text.DataEditorSupport.superSaveDoc(DataEditorSupport.java:607)
   at org.openide.text.DataEditorSupport$SaveImpl.run(DataEditorSupport.java:1378)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:519)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:423)
   at org.openide.text.DataEditorSupport.saveDocument(DataEditorSupport.java:603)
   at org.netbeans.modules.beans.beaninfo.BIEditorSupport.saveDocument(BIEditorSupport.java:203)
   at org.netbeans.modules.beans.beaninfo.BIEditorSupport$Environment$SaveSupport.save(BIEditorSupport.java:639)
   at org.openide.loaders.DataObject$DOSavable.handleSave(DataObject.java:1485)
   at org.netbeans.spi.actions.AbstractSavable.save(AbstractSavable.java:107)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:132)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:109)
   at org.openide.actions.SaveAction$Delegate.actionPerformed(SaveAction.java:249)
   at org.openide.awt.ContextAction$Performer.actionPerformed(ContextAction.java:231)
   at org.openide.awt.ContextManager.actionPerformed(ContextManager.java:260)
   at org.openide.awt.ContextAction.actionPerformed(ContextAction.java:109)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:93)
   at org.openide.util.actions.ActionInvoker$ActionRunnable.actionPerformed(ActionInvoker.java:162)
   at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:109)
   at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:60)
   at org.openide.util.actions.ActionInvoker$ActionRunnable.doRun(ActionInvoker.java:153)
   at org.openide.util.actions.ActionInvoker$2.run(ActionInvoker.java:110)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)