java.lang.NullPointerException
        at org.netbeans.api.languages.ASTItem.getMimeType(ASTItem.java:112)
        at org.netbeans.modules.languages.parser.LLSyntaxAnalyser.readEmbeddings(LLSyntaxAnalyser.java:380)
        at org.netbeans.modules.languages.parser.LLSyntaxAnalyser.readWhitespaces(LLSyntaxAnalyser.java:358)
        at org.netbeans.modules.languages.parser.LLSyntaxAnalyser.read2(LLSyntaxAnalyser.java:221)
        at org.netbeans.modules.languages.parser.LLSyntaxAnalyser.read(LLSyntaxAnalyser.java:133)
        at org.netbeans.modules.languages.ParserManagerImpl.parse(ParserManagerImpl.java:352)
        at org.netbeans.modules.languages.ParserManagerImpl.parseAST(ParserManagerImpl.java:302)
        at org.netbeans.modules.languages.ParserManagerImpl.access$100(ParserManagerImpl.java:84)
        at org.netbeans.modules.languages.ParserManagerImpl$1.run(ParserManagerImpl.java:174)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)