errors when publishing teiid models

11:07:56,817 ERROR [org.modeshape.jcr.SequencingRunner] (modeshape-sequencer-6-thread-2) The 'teiid-model-sequencer' sequencer of repository 'dv' had an error while processing '/files/agTraits/views/ViewModel.xmi/jcr:content/jcr:data' in workspace 'default' and generating output '/derived/teiid/models/agTraits/views/ViewModel.xmi': javax.jcr.RepositoryException: The session with an ID of 'bd748b244' has been closed and can no longer be used. 
	at org.modeshape.jcr.JcrSession.checkLive(JcrSession.java:285) [modeshape-jcr-3.3.6.GA-redhat-4.jar:3.3.6.GA-redhat-4]
	at org.modeshape.jcr.AbstractJcrItem.checkSession(AbstractJcrItem.java:63) [modeshape-jcr-3.3.6.GA-redhat-4.jar:3.3.6.GA-redhat-4]
	at org.modeshape.jcr.AbstractJcrNode.isNodeType(AbstractJcrNode.java:2279) [modeshape-jcr-3.3.6.GA-redhat-4.jar:3.3.6.GA-redhat-4]
	at org.modeshape.jcr.AbstractJcrNode.isNodeType(AbstractJcrNode.java:2266) [modeshape-jcr-3.3.6.GA-redhat-4.jar:3.3.6.GA-redhat-4]
	at org.modeshape.sequencer.teiid.model.TransformationModelObjectHandler.setReference(TransformationModelObjectHandler.java:264)
	at org.modeshape.sequencer.teiid.model.TransformationModelObjectHandler.processInputs(TransformationModelObjectHandler.java:85)
	at org.modeshape.sequencer.teiid.model.TransformationModelObjectHandler.processNested(TransformationModelObjectHandler.java:212)
	at org.modeshape.sequencer.teiid.model.TransformationModelObjectHandler.processMappings(TransformationModelObjectHandler.java:179)
	at org.modeshape.sequencer.teiid.model.TransformationModelObjectHandler.process(TransformationModelObjectHandler.java:62)
	at org.modeshape.sequencer.teiid.model.ModelNodeWriter.writeModelObjects(ModelNodeWriter.java:185)
	at org.modeshape.sequencer.teiid.model.ModelNodeWriter.write(ModelNodeWriter.java:158)
	at org.modeshape.sequencer.teiid.model.ModelSequencer.sequenceModel(ModelSequencer.java:187)
	at org.modeshape.sequencer.teiid.model.ModelSequencer.execute(ModelSequencer.java:98)
	at org.modeshape.jcr.SequencingRunner.run(SequencingRunner.java:226) [modeshape-jcr-3.3.6.GA-redhat-4.jar:3.3.6.GA-redhat-4]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_60]
	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_60]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_60]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_60]
	at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_60]