Description Zoltan Beres 2018-10-26 05:39:53 EDT

```
java.lang.IllegalArgumentException: Invalid project "project". Only existing, open plug-in projects are supported by the generator.
at org.eclipse.viatra.query.runtime.matchers.util.Preconditions.checkArgument(Preconditions.java:77)
	at org.eclipse.viatra.query.tooling.core.project.ProjectGenerationHelper.checkOpenPDEProject(ProjectGenerationHelper.java:129)
	at org.eclipse.viatra.query.tooling.core.project.ProjectGenerationHelper.checkBundleDependency(ProjectGenerationHelper.java:281)
	at org.eclipse.viatra.query.tooling.generator.model.ui.GenmodelProjectBasedValidation.checkExistingDependency(GenmodelProjectBasedValidation.java:52)
	at org.eclipse.viatra.query.tooling.generator.model.ui.GenmodelProjectBasedValidation.checkGenmodelDependencies(GenmodelProjectBasedValidation.java:43)
	at sun.reflect.GeneratedMethodAccessor259.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.xtext.validation.AbstractDeclarativeValidator$MethodWrapper.invoke(AbstractDeclarativeValidator.java:118)
	at org.eclipse.xtext.validation.AbstractDeclarativeValidator.internalValidate(AbstractDeclarativeValidator.java:312)
	at org.eclipse.xtext.validation.AbstractInjectableValidator.validate(AbstractInjectableValidator.java:71)
	at org.eclipse.xtext.validation.CompositeEValidator.validate(CompositeEValidator.java:151)
	at org.eclipse.emf.ecore.util.Diagnostician.doValidate(Diagnostician.java:257)
	at org.eclipse.emf.ecore.util.Diagnostician.validate(Diagnostician.java:244)
	at org.eclipse.xtext.validation.CancelableDiagnostician.validate(CancelableDiagnostician.java:40)
	at org.eclipse.emf.ecore.util.Diagnostician.validate(Diagnostician.java:201)
	at org.eclipse.emf.ecore.util.Diagnostician.validate(Diagnostician.java:143)
	at org.eclipse.xtext.validation.ResourceValidatorImpl.validate(ResourceValidatorImpl.java:146)
	at org.eclipse.xtext.validation.ResourceValidatorImpl.validate(ResourceValidatorImpl.java:124)
	at org.eclipse.xtext.validation.ResourceValidatorImpl.validate(ResourceValidatorImpl.java:90)
	at org.eclipse.xtext.ui.editor.validation.ValidationJob$1.exec(ValidationJob.java:91)
	at org.eclipse.xtext.ui.editor.validation.ValidationJob$1.exec(ValidationJob.java:1)
	at org.eclipse.xtext.util.concurrent.CancelableUnitOfWork.exec(CancelableUnitOfWork.java:26)
	at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:91)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:527)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.readOnly(XtextDocument.java:499)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:137)
	at org.eclipse.xtext.ui.editor.validation.ValidationJob.createIssues(ValidationJob.java:86)
	at org.eclipse.xtext.ui.editor.validation.ValidationJob.run(ValidationJob.java:67)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60
```