scala.tools.nsc.MissingRequirementError: object scala not found. at scala.tools.nsc.symtab.Definitions$definitions$.getModuleOrClass(Definitions.java:653) at scala.tools.nsc.symtab.Definitions$definitions$.getModule(Definitions.java:603) at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackage(Definitions.java:145) at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackageClass(Definitions.java:146) at scala.tools.nsc.symtab.Definitions$definitions$.AnyClass(Definitions.java:176) at scala.tools.nsc.symtab.Definitions$definitions$.init(Definitions.java:811) at scala.tools.nsc.Global$Run.(Global.java:694) at scala.tools.nsc.interactive.Global$TyperRun.(Global.java:925) at scala.tools.nsc.interactive.Global.newTyperRun(Global.java:951) at scala.tools.nsc.interactive.Global.(Global.java:166) at org.netbeans.modules.scala.core.interactive.Global.(Global.java:13) at org.netbeans.modules.scala.core.ScalaGlobal.(ScalaGlobal.java:88) at org.netbeans.modules.scala.core.ScalaGlobal$.getGlobal(ScalaGlobal.java:628) at org.netbeans.modules.scala.core.ScalaParserResult.(ScalaParserResult.java:61) at org.netbeans.modules.scala.core.ScalaParserResult$.apply(ScalaParserResult.java:186) at org.netbeans.modules.scala.core.ScalaParser.parse(ScalaParser.java:99) at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:595) at org.netbeans.modules.parsing.impl.SourceCache.getResult(SourceCache.java:213) at org.netbeans.modules.parsing.api.ResultIterator.getParserResult(ResultIterator.java:138) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$3.run(RepositoryUpdater.java:2755) at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:583) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:150) at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:134) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:200) at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:197) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:72) at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:197) at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:102) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.indexEmbedding(RepositoryUpdater.java:2738) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doIndex(RepositoryUpdater.java:2531) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.access$1500(RepositoryUpdater.java:2045) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$2.run(RepositoryUpdater.java:2343) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work$2.run(RepositoryUpdater.java:2341) at org.netbeans.modules.parsing.impl.indexing.errors.TaskCache.refreshTransaction(TaskCache.java:541) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.index(RepositoryUpdater.java:2341) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSource(RepositoryUpdater.java:4754) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$AbstractRootsWork.scanSources(RepositoryUpdater.java:4480) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RootsWork.getDone(RepositoryUpdater.java:4193) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:2931) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:5166) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4800(RepositoryUpdater.java:4858) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2$1.run(RepositoryUpdater.java:5103) at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:97) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:5099) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$2.call(RepositoryUpdater.java:5095) at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176) at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360) at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:72) at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:5095) 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$Task.run(RequestProcessor.java:1452) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032)