java.lang.AssertionError: assertion failed: Token's read length 0 should > 0: List(TokenInfo(2,BlockCommentStart), TokenInfo(1,Nl), TokenInfo(13,BlockCommentData), TokenInfo(1,Nl), TokenInfo(1,Nl), TokenInfo(94,BlockCommentData), TokenInfo(1,Nl), TokenInfo(22,BlockCommentData), TokenInfo(1,Nl), TokenInfo(79,BlockCommentData), TokenInfo(1,Nl), TokenInfo(1,Nl), TokenInfo(31,BlockCommentData), TokenInfo(1,Nl), TokenInfo(1,Nl), TokenInfo(3,DocCommentStart), TokenInfo(1,Nl), TokenInfo(82,DocCommentData), TokenInfo(1,Nl), TokenInfo(1,DocCommentData), TokenInfo(2,DocCommentEnd), TokenInfo(1,Nl), TokenInfo(22,BlockCommentData), TokenInfo(1,Nl), TokenInfo(68,BlockCommentData), TokenInfo(1,Nl), TokenInfo(67,BlockCommentData), TokenInfo(1,Nl), TokenInfo(65,BlockCommentData), TokenInfo(1,Nl), TokenInfo(37,BlockCommentData), TokenInfo(1,Nl), TokenInfo(54,BlockCommentData), TokenInfo(1,Nl), TokenInfo(58,BlockCommentData), TokenInfo(1,Nl), TokenInfo(50,BlockCommentData), TokenInfo(1,Nl), TokenInfo(71,BlockCommentData), Toke
   at scala.Predef$.assert(Predef.java:165)
   at org.netbeans.modules.scala.core.lexer.ScalaLexer.nextToken(ScalaLexer.java:121)
   at org.netbeans.lib.lexer.LexerInputOperation.nextToken(LexerInputOperation.java:215)
   at org.netbeans.lib.lexer.BatchTokenList.tokenOrEmbeddingImpl(BatchTokenList.java:196)
   at org.netbeans.lib.lexer.BatchTokenList.tokenOrEmbedding(BatchTokenList.java:191)
   at org.netbeans.lib.lexer.LexerUtilsConstants.tokenIndexLazyTokenCreation(LexerUtilsConstants.java:332)
   at org.netbeans.lib.lexer.BatchTokenList.tokenIndex(BatchTokenList.java:186)
   at org.netbeans.api.lexer.TokenSequence.move(TokenSequence.java:680)
   at org.netbeans.modules.scala.core.ast.ScalaAstVisitor$treeTraverser.getBoundsEndToken(ScalaAstVisitor.java:862)
   at org.netbeans.modules.scala.core.ast.ScalaAstVisitor$treeTraverser.getBoundsTokens(ScalaAstVisitor.java:825)
   at org.netbeans.modules.scala.core.ast.ScalaAstVisitor$treeTraverser.<init>(ScalaAstVisitor.java:98)
   at org.netbeans.modules.scala.core.ast.ScalaAstVisitor$class.astVisit(ScalaAstVisitor.java:74)
   at org.netbeans.modules.scala.core.ScalaGlobal.astVisit(ScalaGlobal.java:93)
   at org.netbeans.modules.scala.core.ScalaGlobal$$anonfun$askSemanticRoot$1.apply(ScalaGlobal.java:204)
   at org.netbeans.modules.scala.core.ScalaGlobal$$anonfun$askSemanticRoot$1.apply(ScalaGlobal.java:202)
   at scala.tools.nsc.util.InterruptReq.execute(InterruptReq.java:26)
   at scala.tools.nsc.interactive.Global$$anonfun$pollForWork$1.apply$mcV$sp(Global.java:451)
   at scala.util.control.Breaks.breakable(Breaks.java:38)
   at scala.tools.nsc.interactive.Global.pollForWork(Global.java:425)
   at scala.tools.nsc.interactive.Global.checkForMoreWork(Global.java:514)
   at scala.tools.nsc.interactive.Global.signalDone(Global.java:355)
   at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.java:5375)
   at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.java:5380)
   at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.java:5327)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5331)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5429)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5435)
   at scala.tools.nsc.typechecker.Typers$Typer.typedSelectOrSuperCall$1(Typers.java:4767)
   at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.java:5301)
   at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.java:5317)
   at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.java:5353)
   at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.java:5380)
   at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.java:5327)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5331)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5429)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5435)
   at scala.tools.nsc.typechecker.Typers$Typer.typedSelectOrSuperCall$1(Typers.java:4767)
   at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.java:5301)
   at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.java:5317)
   at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.java:5353)
   at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.java:5380)
   at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.java:5327)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5331)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5429)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5435)
   at scala.tools.nsc.typechecker.Typers$Typer.typedSelectOrSuperCall$1(Typers.java:4767)
   at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.java:5301)
   at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.java:5317)
   at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.java:5353)
   at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.java:5380)
   at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.java:5327)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5331)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5429)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5435)
   at scala.tools.nsc.typechecker.Typers$Typer.typedSelectOrSuperCall$1(Typers.java:4767)
   at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.java:5301)
   at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.java:5317)
   at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.java:5353)
   at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.java:5380)
   at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.java:5327)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5331)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5429)
   at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.java:5437)
   at scala.tools.nsc.typechecker.Typers$Typer.typedPackageDef$1(Typers.java:4966)
   at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.java:5269)
   at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.java:5316)
   at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.java:5353)
   at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.java:5380)
   at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.java:5327)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5331)
   at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.java:5405)
   at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.apply(Analyzer.java:102)
   at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.java:443)
   at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.java:434)
   at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.java:443)
   at scala.tools.nsc.interactive.Global$TyperRun$$anonfun$applyPhase$1.apply$mcV$sp(Global.java:1223)
   at scala.tools.nsc.interactive.Global$TyperRun$$anonfun$applyPhase$1.apply(Global.java:1223)
   at scala.tools.nsc.interactive.Global$TyperRun$$anonfun$applyPhase$1.apply(Global.java:1223)
   at scala.reflect.internal.SymbolTable.enteringPhase(SymbolTable.java:235)
   at scala.tools.nsc.interactive.Global$TyperRun.applyPhase(Global.java:1223)
   at scala.tools.nsc.interactive.Global$TyperRun.typeCheck(Global.java:1216)
   at scala.tools.nsc.interactive.Global.scala$tools$nsc$interactive$Global$$typeCheck(Global.java:664)
   at scala.tools.nsc.interactive.Global$$anonfun$backgroundCompile$5$$anonfun$apply$8.apply(Global.java:579)
   at scala.tools.nsc.interactive.Global$$anonfun$backgroundCompile$5$$anonfun$apply$8.apply(Global.java:575)
   at scala.Option.foreach(Option.java:257)
   at scala.tools.nsc.interactive.Global$$anonfun$backgroundCompile$5.apply(Global.java:575)
   at scala.tools.nsc.interactive.Global$$anonfun$backgroundCompile$5.apply(Global.java:575)
   at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.java:778)
   at scala.collection.immutable.List.foreach(List.java:381)
   at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.java:777)
   at scala.tools.nsc.interactive.Global.backgroundCompile(Global.java:575)
   at scala.tools.nsc.interactive.PresentationCompilerThread.run(PresentationCompilerThread.java:25)