scala.reflect.internal.MissingRequirementError: object scala.runtime in compiler mirror not found.
   at scala.reflect.internal.MissingRequirementError$.signal(MissingRequirementError.java:16)
   at scala.reflect.internal.MissingRequirementError$.notFound(MissingRequirementError.java:17)
   at scala.reflect.internal.Mirrors$RootsBase$$anonfun$getModuleOrClass$3.apply(Mirrors.java:49)
   at scala.reflect.internal.Mirrors$RootsBase$$anonfun$getModuleOrClass$3.apply(Mirrors.java:49)
   at scala.reflect.internal.Symbols$Symbol.orElse(Symbols.java:2220)
   at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.java:48)
   at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.java:40)
   at scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.java:61)
   at scala.reflect.internal.Mirrors$RootsBase.getPackage(Mirrors.java:172)
   at scala.reflect.internal.Mirrors$RootsBase.getRequiredPackage(Mirrors.java:175)
   at scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackage$lzycompute(Definitions.java:181)
   at scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackage(Definitions.java:181)
   at scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackageClass$lzycompute(Definitions.java:182)
   at scala.reflect.internal.Definitions$DefinitionsClass.RuntimePackageClass(Definitions.java:182)
   at scala.reflect.internal.Definitions$DefinitionsClass.AnnotationDefaultAttr$lzycompute(Definitions.java:1015)
   at scala.reflect.internal.Definitions$DefinitionsClass.AnnotationDefaultAttr(Definitions.java:1014)
   at scala.reflect.internal.Definitions$DefinitionsClass.syntheticCoreClasses$lzycompute(Definitions.java:1144)
   at scala.reflect.internal.Definitions$DefinitionsClass.syntheticCoreClasses(Definitions.java:1143)
   at scala.reflect.internal.Definitions$DefinitionsClass.symbolsNotPresentInBytecode$lzycompute(Definitions.java:1187)
   at scala.reflect.internal.Definitions$DefinitionsClass.symbolsNotPresentInBytecode(Definitions.java:1187)
   at scala.reflect.internal.Definitions$DefinitionsClass.init(Definitions.java:1252)
   at scala.tools.nsc.Global$Run.<init>(Global.java:1290)
   at scala.tools.nsc.interactive.Global$TyperRun.<init>(Global.java:1140)
   at scala.tools.nsc.interactive.Global.newTyperRun(Global.java:1163)
   at scala.tools.nsc.interactive.Global.<init>(Global.java:198)
   at org.netbeans.modules.scala.core.interactive.Global.<init>(Global.java:13)
   at org.netbeans.modules.scala.core.ScalaGlobal.<init>(ScalaGlobal.java:94)
   at org.netbeans.modules.scala.core.ScalaGlobal$.getGlobal(ScalaGlobal.java:461)
   at org.netbeans.modules.scala.core.ScalaParserResult.<init>(ScalaParserResult.java:58)
   at org.netbeans.modules.scala.core.ScalaParserResult$.apply(ScalaParserResult.java:194)
   at org.netbeans.modules.scala.core.ScalaParser.parse(ScalaParser.java:112)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:596)
   at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:236)
   at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$2.run(RepositoryUpdater.java:2844)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:584)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:155)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:139)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:198)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
Caused: org.netbeans.modules.parsing.spi.ParseException
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:206)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:106)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.indexEmbedding(RepositoryUpdater.java:2823)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2582)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$1200(RepositoryUpdater.java:2047)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2371)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$1.run(RepositoryUpdater.java:2369)
   at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:544)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2369)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSource(RepositoryUpdater.java:5011)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSources(RepositoryUpdater.java:4723)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:4428)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3066)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:5453)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4600(RepositoryUpdater.java:5119)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3$1.run(RepositoryUpdater.java:5378)
   at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:96)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5374)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5370)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:5370)
   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 org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2044)