org.eclipse.e4.core.di.InjectionException: java.util.NoSuchElementException: Either.right.value on Left
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:63)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:167)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213)
	at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:420)
	at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:401)
	at scala.tools.eclipse.refactoring.RefactoringMenu$$anon$1.run(RefactoringMenu.scala:84)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:499)
	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1450)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1426)
Caused by: java.util.NoSuchElementException: Either.right.value on Left
	at scala.util.Either$RightProjection.get(Either.scala:454)
	at scala.tools.eclipse.refactoring.ExtractTraitAction$ExtractTraitScalaIdeRefactoring.<init>(ExtractTraitAction.scala:41)
	at scala.tools.eclipse.refactoring.ExtractTraitAction.createRefactoring(ExtractTraitAction.scala:26)
	at scala.tools.eclipse.refactoring.ExtractTraitAction.createRefactoring(ExtractTraitAction.scala:24)
	at scala.tools.eclipse.refactoring.RefactoringAction$$anonfun$createScalaIdeRefactoringForCurrentEditorAndSelection$1.apply(RefactoringAction.scala:57)
	at scala.tools.eclipse.refactoring.RefactoringAction$$anonfun$createScalaIdeRefactoringForCurrentEditorAndSelection$1.apply(RefactoringAction.scala:56)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaSourceFileAndSelection$1.apply(EditorHelpers.scala:86)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaSourceFileAndSelection$1.apply(EditorHelpers.scala:84)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaFileAndSelection$1$$anonfun$apply$4$$anonfun$apply$5.apply(EditorHelpers.scala:77)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaFileAndSelection$1$$anonfun$apply$4$$anonfun$apply$5.apply(EditorHelpers.scala:76)
	at scala.Option.flatMap(Option.scala:170)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaFileAndSelection$1$$anonfun$apply$4.apply(EditorHelpers.scala:76)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaFileAndSelection$1$$anonfun$apply$4.apply(EditorHelpers.scala:75)
	at scala.Option.flatMap(Option.scala:170)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaFileAndSelection$1.apply(EditorHelpers.scala:75)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withScalaFileAndSelection$1.apply(EditorHelpers.scala:74)
	at scala.Option.flatMap(Option.scala:170)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withCurrentEditor$1$$anonfun$apply$1$$anonfun$apply$2.apply(EditorHelpers.scala:59)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withCurrentEditor$1$$anonfun$apply$1$$anonfun$apply$2.apply(EditorHelpers.scala:59)
	at scala.Option.flatMap(Option.scala:170)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withCurrentEditor$1$$anonfun$apply$1.apply(EditorHelpers.scala:58)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withCurrentEditor$1$$anonfun$apply$1.apply(EditorHelpers.scala:58)
	at scala.Option.flatMap(Option.scala:170)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withCurrentEditor$1.apply(EditorHelpers.scala:57)
	at scala.tools.eclipse.refactoring.EditorHelpers$$anonfun$withCurrentEditor$1.apply(EditorHelpers.scala:57)
	at scala.Option.flatMap(Option.scala:170)
	at scala.tools.eclipse.refactoring.EditorHelpers$.withCurrentEditor(EditorHelpers.scala:56)
	at scala.tools.eclipse.refactoring.EditorHelpers$.withScalaFileAndSelection(EditorHelpers.scala:74)
	at scala.tools.eclipse.refactoring.EditorHelpers$.withScalaSourceFileAndSelection(EditorHelpers.scala:84)
	at scala.tools.eclipse.refactoring.RefactoringAction$class.createScalaIdeRefactoringForCurrentEditorAndSelection(RefactoringAction.scala:56)
	at scala.tools.eclipse.refactoring.ExtractTraitAction.createScalaIdeRefactoringForCurrentEditorAndSelection(ExtractTraitAction.scala:24)
	at scala.tools.eclipse.refactoring.RefactoringAction$class.run(RefactoringAction.scala:73)
	at scala.tools.eclipse.refactoring.ExtractTraitAction.run(ExtractTraitAction.scala:24)
	at org.eclipse.ui.internal.handlers.ActionDelegateHandlerProxy.execute(ActionDelegateHandlerProxy.java:295)
	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
	at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
	... 40 more