java.lang.IllegalStateException: Cannot find an HtmlParser implementation for HTML41_TRANSATIONAL
   at org.netbeans.editor.ext.html.parser.api.SyntaxAnalyzerResult.findParser(SyntaxAnalyzerResult.java:176)
   at org.netbeans.editor.ext.html.parser.api.SyntaxAnalyzerResult.doParseHtml(SyntaxAnalyzerResult.java:184)
   at org.netbeans.editor.ext.html.parser.api.SyntaxAnalyzerResult.parseHtml(SyntaxAnalyzerResult.java:167)
   at org.netbeans.modules.html.editor.api.gsf.HtmlParserResult.root(HtmlParserResult.java:133)
   at org.netbeans.modules.html.editor.api.gsf.HtmlParserResult.roots(HtmlParserResult.java:172)
   at org.netbeans.modules.html.editor.NavigationSideBar.change(NavigationSideBar.java:139)
   at org.netbeans.modules.html.editor.NavigationSideBar.access$100(NavigationSideBar.java:88)
   at org.netbeans.modules.html.editor.NavigationSideBar$2.parsed(NavigationSideBar.java:126)
   at org.netbeans.modules.html.editor.HtmlCaretAwareSourceTask$Source.parsed(HtmlCaretAwareSourceTask.java:131)
   at org.netbeans.modules.html.editor.HtmlCaretAwareSourceTask.run(HtmlCaretAwareSourceTask.java:120)
   at org.netbeans.modules.html.editor.HtmlCaretAwareSourceTask.run(HtmlCaretAwareSourceTask.java:65)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:715)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
   at java.util.concurrent.FutureTask.run(FutureTask.java:138)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
   at java.lang.Thread.run(Thread.java:662)