java.lang.ClassCastException: scala.reflect.internal.Symbols$StubTermSymbol cannot be cast to scala.reflect.internal.Symbols$ClassSymbol
	at scala.reflect.internal.Symbols$Symbol.newLinkedModule(Symbols.scala:296)
	at scala.reflect.internal.pickling.UnPickler$Scan.readSymbol(UnPickler.scala:357)
	at scala.reflect.internal.pickling.UnPickler$Scan.run(UnPickler.scala:87)
	at scala.reflect.internal.pickling.UnPickler.unpickle(UnPickler.scala:38)
	at scala.tools.nsc.symtab.classfile.ClassfileParser.scala$tools$nsc$symtab$classfile$ClassfileParser$$parseAttribute$1(ClassfileParser.scala:833)
	at scala.tools.nsc.symtab.classfile.ClassfileParser.parseAttributes(ClassfileParser.scala:1009)
	at scala.tools.nsc.symtab.classfile.ClassfileParser.parseClass(ClassfileParser.scala:497)
	at scala.tools.nsc.symtab.classfile.ClassfileParser.parse(ClassfileParser.scala:134)
	at scala.tools.nsc.symtab.SymbolLoaders$ClassfileLoader$$anonfun$doComplete$2.apply$mcV$sp(SymbolLoaders.scala:309)
	at scala.tools.nsc.symtab.SymbolLoaders$ClassfileLoader$$anonfun$doComplete$2.apply(SymbolLoaders.scala:309)
	at scala.tools.nsc.symtab.SymbolLoaders$ClassfileLoader$$anonfun$doComplete$2.apply(SymbolLoaders.scala:309)
	at scala.reflect.internal.SymbolTable.enteringPhase(SymbolTable.scala:235)
	at scala.tools.nsc.symtab.SymbolLoaders$ClassfileLoader.doComplete(SymbolLoaders.scala:309)
	at scala.tools.nsc.symtab.SymbolLoaders$SymbolLoader.complete(SymbolLoaders.scala:211)
	at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1481)
	at scala.reflect.internal.Types$TypeRef.thisInfo(Types.scala:2194)
	at scala.reflect.internal.Types$TypeRef.baseClasses(Types.scala:2199)
	at scala.reflect.internal.Types$class.computeBaseClasses(Types.scala:1439)
	at scala.reflect.internal.SymbolTable.computeBaseClasses(SymbolTable.scala:16)
	at scala.reflect.internal.Types$$anonfun$defineBaseClassesOfCompoundType$1.apply(Types.scala:1560)
	at scala.reflect.internal.Types$$anonfun$defineBaseClassesOfCompoundType$1.apply(Types.scala:1560)
	at scala.reflect.internal.Types$CompoundType.updateCache$1(Types.scala:1387)
	at scala.reflect.internal.Types$CompoundType.memo(Types.scala:1396)
	at scala.reflect.internal.Types$class.defineBaseClassesOfCompoundType(Types.scala:1560)
	at scala.reflect.internal.Types$class.define$1(Types.scala:1527)
	at scala.reflect.internal.Types$class.defineBaseClassesOfCompoundType(Types.scala:1528)
	at scala.reflect.internal.SymbolTable.defineBaseClassesOfCompoundType(SymbolTable.scala:16)
	at scala.reflect.internal.Types$CompoundType.baseClasses(Types.scala:1370)
	at scala.reflect.internal.Types$TypeRef.baseClasses(Types.scala:2199)
	at scala.reflect.internal.Types$SimpleTypeProxy$class.baseClasses(Types.scala:165)
	at scala.reflect.internal.Types$SingletonType.baseClasses(Types.scala:1076)
	at scala.reflect.internal.tpe.FindMembers$FindMemberBase.<init>(FindMembers.scala:17)
	at scala.reflect.internal.tpe.FindMembers$FindMember.<init>(FindMembers.scala:219)
	at scala.reflect.internal.Types$Type.scala$reflect$internal$Types$Type$$findMemberInternal$1(Types.scala:1014)
	at scala.reflect.internal.Types$Type.findMember(Types.scala:1016)
	at scala.reflect.internal.Types$Type.memberBasedOnName(Types.scala:631)
	at scala.reflect.internal.Types$Type.nonLocalMember(Types.scala:622)
	at scala.tools.nsc.typechecker.Contexts$ImportInfo.importedSymbol(Contexts.scala:1435)
	at scala.tools.nsc.typechecker.Contexts$Context.importedAccessibleSymbol(Contexts.scala:955)
	at scala.tools.nsc.typechecker.Contexts$Context.lookupImport$1(Contexts.scala:1101)
	at scala.tools.nsc.typechecker.Contexts$Context.lookupSymbol(Contexts.scala:1122)
	at scala.tools.nsc.typechecker.Typers$Typer.typedIdent$2(Typers.scala:4773)
	at scala.tools.nsc.typechecker.Typers$Typer.typedIdentOrWildcard$1(Typers.scala:4811)
	at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5239)
	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5259)
	at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5295)
	at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5322)
	at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5269)
	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5273)
	at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.scala:5371)
	at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.scala:5377)
	at scala.tools.nsc.typechecker.Typers$Typer.typedSelectOrSuperCall$1(Typers.scala:4716)
	at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5243)
	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5259)
	at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5295)
	at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5322)
	at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5269)
	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5273)
	at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.scala:5371)
	at scala.tools.nsc.typechecker.Typers$Typer.typedQualifier(Typers.scala:5379)
	at scala.tools.nsc.typechecker.Namers$Namer.importSig(Namers.scala:1423)
	at scala.tools.nsc.typechecker.Namers$Namer.getSig$1(Namers.scala:1535)
	at scala.tools.nsc.typechecker.Namers$Namer.typeSig(Namers.scala:1538)
	at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1$$anonfun$apply$1.apply$mcV$sp(Namers.scala:778)
	at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1$$anonfun$apply$1.apply(Namers.scala:777)
	at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1$$anonfun$apply$1.apply(Namers.scala:777)
	at scala.tools.nsc.typechecker.Namers$Namer.scala$tools$nsc$typechecker$Namers$Namer$$logAndValidate(Namers.scala:1565)
	at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1.apply(Namers.scala:777)
	at scala.tools.nsc.typechecker.Namers$Namer$$anonfun$monoTypeCompleter$1.apply(Namers.scala:769)
	at scala.tools.nsc.typechecker.Namers$$anon$1.completeImpl(Namers.scala:1681)
	at scala.tools.nsc.typechecker.Namers$LockingTypeCompleter$class.complete(Namers.scala:1689)
	at scala.tools.nsc.typechecker.Namers$$anon$1.complete(Namers.scala:1679)
	at scala.reflect.internal.Symbols$Symbol.info(Symbols.scala:1481)
	at scala.reflect.internal.Symbols$Symbol.initialize(Symbols.scala:1628)
	at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:2961)
	at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$60.apply(Typers.scala:3081)
	at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$60.apply(Typers.scala:3081)
	at scala.collection.immutable.List.loop$1(List.scala:172)
	at scala.collection.immutable.List.mapConserve(List.scala:188)
	at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3081)
	at scala.tools.nsc.typechecker.Typers$Typer.typedPackageDef$1(Typers.scala:4918)
	at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5211)
	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5258)
	at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5295)
	at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5322)
	at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5269)
	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5273)
	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5347)
	at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.apply(Analyzer.scala:102)
	at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:428)
	at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:419)
	at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:428)
	at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:94)
	at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:93)
	at scala.collection.Iterator$class.foreach(Iterator.scala:743)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1195)
	at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.run(Analyzer.scala:93)
	at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1338)
	at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1325)
	at scala.tools.nsc.Global$Run.compileSources(Global.scala:1320)
	at scala.tools.nsc.Global$Run.compile(Global.scala:1418)
	at xsbt.CachedCompiler0.run(CompilerInterface.scala:116)
	at xsbt.CachedCompiler0.run(CompilerInterface.scala:95)
	at xsbt.CompilerInterface.run(CompilerInterface.scala:26)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101)
	at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47)
	at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:41)
	at sbt.compiler.AggressiveCompile$$anonfun$3$$anonfun$compileScala$1$1.apply$mcV$sp(AggressiveCompile.scala:97)
	at sbt.compiler.AggressiveCompile$$anonfun$3$$anonfun$compileScala$1$1.apply(AggressiveCompile.scala:97)
	at sbt.compiler.AggressiveCompile$$anonfun$3$$anonfun$compileScala$1$1.apply(AggressiveCompile.scala:97)
	at sbt.compiler.AggressiveCompile.sbt$compiler$AggressiveCompile$$timed(AggressiveCompile.scala:162)
	at sbt.compiler.AggressiveCompile$$anonfun$3.compileScala$1(AggressiveCompile.scala:96)
	at sbt.compiler.AggressiveCompile$$anonfun$3.apply(AggressiveCompile.scala:139)
	at sbt.compiler.AggressiveCompile$$anonfun$3.apply(AggressiveCompile.scala:86)
	at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:38)
	at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:36)
	at sbt.inc.IncrementalCommon.cycle(IncrementalCommon.scala:31)
	at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:39)
	at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:38)
	at sbt.inc.Incremental$.manageClassfiles(Incremental.scala:66)
	at sbt.inc.Incremental$.compile(Incremental.scala:38)
	at sbt.inc.IncrementalCompile$.apply(Compile.scala:26)
	at sbt.compiler.AggressiveCompile.compile2(AggressiveCompile.scala:153)
	at sbt.compiler.AggressiveCompile.compile1(AggressiveCompile.scala:70)
	at sbt.compiler.AggressiveCompile.apply(AggressiveCompile.scala:45)
	at sbt.Compiler$.apply(Compiler.scala:74)
	at sbt.Compiler$.apply(Compiler.scala:65)
	at sbt.Defaults$.sbt$Defaults$$compileTaskImpl(Defaults.scala:777)
	at sbt.Defaults$$anonfun$compileTask$1.apply(Defaults.scala:769)
	at sbt.Defaults$$anonfun$compileTask$1.apply(Defaults.scala:769)
	at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
	at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40)
	at sbt.std.Transform$$anon$4.work(System.scala:63)
	at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:226)
	at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:226)
	at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17)
	at sbt.Execute.work(Execute.scala:235)
	at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:226)
	at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:226)
	at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159)
	at sbt.CompletionService$$anon$2.call(CompletionService.scala:28)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:744)