Error while creating VDB with multiple references to XSDs with same name

Issue

• error when saving VDB

java.lang.RuntimeException: javax.xml.bind.UnmarshalException
 - with linked exception:
[org.xml.sax.SAXParseException; lineNumber: 61; columnNumber: 168; Duplicate unique value [<name>] declared for identity constraint of element "vdb".]
    at org.teiid.core.designer.CoreModelerPlugin.toRuntimeException(CoreModelerPlugin.java:76)
    at org.teiid.core.designer.util.OperationUtil.perform(OperationUtil.java:50)
    at org.teiid.designer.vdb.VdbUtil.getVdbManifest(VdbUtil.java:178)
    at org.teiid.designer.vdb.VdbUtil.isPreviewVdb(VdbUtil.java:120)
    at org.teiid.designer.runtime.preview.PreviewManager.isPreviewVdb(PreviewManager.java:267)
    at org.teiid.designer.runtime.preview.PreviewManager.findPvdbs(PreviewManager.java:656)
    at org.teiid.designer.runtime.preview.PreviewManager.handleModelProjectOpened(PreviewManager.java:895)
    at org.teiid.designer.runtime.preview.PreviewManager.done(PreviewManager.java:466)
    at org.eclipse.core.internal.jobs.JobListeners$3.notify(JobListeners.java:39)
    at org.eclipse.core.internal.jobs.JobListeners.doNotify(JobListeners.java:112)
    at org.eclipse.core.internal.jobs.JobListeners.done(JobListeners.java:152)
    at org.eclipse.core.internal.jobs.JobManager.endJob(JobManager.java:647)
    at org.eclipse.core.internal.jobs.WorkerPool.endJob(WorkerPool.java:105)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:70)
Caused by: javax.xml.bind.UnmarshalException