TEIID30019 encountered when using Source Hints in DV

Issue

• NullPointerException stacktrace similar to:

ERROR [org.teiid.PROCESSOR] (Worker0_QueryProcessorQueue24) TEIID30019 Unexpected exception for request i7C1evYag7/c.8: java.lang.NullPointerException
        at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.<init>(ConnectorWorkItem.java:135) [teiid-engine-8.7.2.redhat-1.jar:8.7.2.redhat-1]
        at org.teiid.dqp.internal.datamgr.ConnectorManager.registerRequest(ConnectorManager.java:161) [teiid-engine-8.7.2.redhat-1.jar:8.7.2.redhat-1]
        at org.teiid.dqp.internal.process.DataTierManagerImpl.registerRequest(DataTierManagerImpl.java:774) [teiid-engine-8.7.2.redhat-1.jar:8.7.2.redhat-1]
        at org.teiid.query.tempdata.TempTableDataManager.registerRequest(TempTableDataManager.java:177) [teiid-engine-8.7.2.redhat-1.jar:8.7.2.redhat-1]