java.lang.IllegalArgumentException

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    • java.lang.IllegalArgumentException: Qualified name cannot be null at org.eclipse.xtext.naming.IQualifiedNameConverter$DefaultImpl.toQualifiedName(IQualifiedNameConverter.java:57) at org.eclipse.xtext.xbase.XbaseQualifiedNameConverter.toQualifiedName(XbaseQualifiedNameConverter.java:36) at org.eclipse.xtend.core.resource.XtendResourceDescription$4.apply(XtendResourceDescription.java:174) at org.eclipse.xtend.core.resource.XtendResourceDescription$4.apply(XtendResourceDescription.java:1) at org.eclipse.xtend.core.resource.XtendResourceDescription.registerAllTypes(XtendResourceDescription.java:205) at org.eclipse.xtend.core.resource.XtendResourceDescription.getImportedNames(XtendResourceDescription.java:179) at org.eclipse.xtext.resource.persistence.SerializableResourceDescription$1.apply(SerializableResourceDescription.java:73) at org.eclipse.xtext.resource.persistence.SerializableResourceDescription$1.apply(SerializableResourceDescription.java:1) at org.eclipse.xtext.xbase.lib.ObjectExtensions.operator_doubleArrow(ObjectExtensions.java:139) at org.eclipse.xtext.resource.persistence.SerializableResourceDescription.createCopy(SerializableResourceDescription.java:78) at org.eclipse.xtext.resource.persistence.ResourceStorageWritable.writeResourceDescription(ResourceStorageWritable.java:138) at org.eclipse.xtext.resource.persistence.ResourceStorageWritable.writeEntries(ResourceStorageWritable.java:76) at org.eclipse.xtext.xbase.resource.BatchLinkableResourceStorageWritable.writeEntries(BatchLinkableResourceStorageWritable.java:55) at org.eclipse.xtext.resource.persistence.ResourceStorageWritable.writeResource(ResourceStorageWritable.java:53) at org.eclipse.xtext.ui.editor.DirtyStateEditorSupport.announceDirtyState(DirtyStateEditorSupport.java:555) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.postParse(XtextDocumentReconcileStrategy.java:179) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.doReconcile(XtextDocumentReconcileStrategy.java:153) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.reconcile(XtextDocumentReconcileStrategy.java:67) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.doRun(XtextReconciler.java:442) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.access$3(XtextReconciler.java:422) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$1.process(XtextReconciler.java:363) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$1.process(XtextReconciler.java:1) at org.eclipse.xtext.util.concurrent.IUnitOfWork$Void.exec(IUnitOfWork.java:37) at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:98) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:428) at org.eclipse.xtext.ui.editor.model.XtextDocument.internalModify(XtextDocument.java:162) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.run(XtextReconciler.java:360) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
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