java.lang.IllegalStateException: Annotation not added: org-netbeans-spi-editor-hints-parser_annotation_hint_fixableIntroduce Hint
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   at org.netbeans.modules.editor.NbEditorDocument.removeAnnotation(NbEditorDocument.java:256)
   at org.openide.text.NbDocument.removeAnnotation(NbDocument.java:533)
   at org.netbeans.modules.editor.hints.ParseErrorAnnotation.detachAnnotation(ParseErrorAnnotation.java:161)
   at org.netbeans.modules.editor.hints.AnnotationHolder$NbDocumentAttacher.detachAnnotation(AnnotationHolder.java:301)
   at org.netbeans.modules.editor.hints.AnnotationHolder.detachAnnotation(AnnotationHolder.java:280)
   at org.netbeans.modules.editor.hints.AnnotationHolder.updateAnnotationOnLine(AnnotationHolder.java:707)
   at org.netbeans.modules.editor.hints.AnnotationHolder.setErrorDescriptionsImpl(AnnotationHolder.java:1048)
   at org.netbeans.modules.editor.hints.AnnotationHolder.access$1300(AnnotationHolder.java:122)
   at org.netbeans.modules.editor.hints.AnnotationHolder$6.run(AnnotationHolder.java:961)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1330)
   at org.netbeans.modules.editor.hints.AnnotationHolder.setErrorDescriptions(AnnotationHolder.java:958)
   at org.netbeans.modules.editor.hints.HintsControllerImpl.setErrorsImpl(HintsControllerImpl.java:117)
   at org.netbeans.modules.editor.hints.HintsControllerImpl.setErrors(HintsControllerImpl.java:107)
   at org.netbeans.spi.editor.hints.HintsController$2.run(HintsController.java:106)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.IllegalStateException: Annotation not added: org-netbeans-spi-editor-hints-parser_annotation_hint_fixableIntroduce Hint
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(Alt-Enter shows hints)
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:424)
   at org.netbeans.spi.editor.hints.HintsController.setErrors(HintsController.java:104)
   at org.netbeans.modules.csl.hints.infrastructure.SuggestionsTask$1.run(SuggestionsTask.java:156)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:584)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:198)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:198)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.modules.csl.hints.infrastructure.SuggestionsTask.run(SuggestionsTask.java:114)
   at org.netbeans.modules.csl.hints.infrastructure.SuggestionsTask.run(SuggestionsTask.java:77)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:559)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:735)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
   at java.lang.Thread.run(Thread.java:679)