java.lang.IllegalArgumentException: indent=-4 < 0
   at org.netbeans.modules.editor.indent.api.IndentUtils.createIndentString(IndentUtils.java:203)
   at org.netbeans.modules.editor.indent.spi.Context.modifyIndent(Context.java:197)
   at org.netbeans.modules.languages.scss.formatter.ScssFormatter$1.run(ScssFormatter.java:209)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:317)
   at org.netbeans.modules.languages.scss.formatter.ScssFormatter.reindent(ScssFormatter.java:56)
   at org.netbeans.modules.languages.scss.formatter.ScssFormatter.reindent(ScssFormatter.java:329)
   at org.netbeans.modules.csl.core.GsfIndentTask.reindent(GsfIndentTask.java:72)
   at org.netbeans.modules.editor.indent.TaskHandler$MimeItem.runTask(TaskHandler.java:546)
   at org.netbeans.modules.editor.indent.TaskHandler.runTasks(TaskHandler.java:316)
   at org.netbeans.modules.editor.indent.IndentImpl.reindent(IndentImpl.java:291)
   at org.netbeans.modules.editor.indent.api.Indent.reindent(Indent.java:171)
   at org.netbeans.modules.languages.scss.completion.ScssBracketCompleter$1$1.run(ScssBracketCompleter.java:356)
   at org.netbeans.editor.GuardedDocument.runAtomic(GuardedDocument.java:317)
   at org.netbeans.modules.languages.scss.completion.ScssBracketCompleter$1.run(ScssBracketCompleter.java:352)
   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:159)
   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)