Join query results in NullPointerException

Running Join query results in NPE:
10:36:06,836 ERROR [org.teiid.PROCESSOR] (Worker2_QueryProcessorQueue17) TEIID30019 Unexpected exception for request KuTljjNz7YSM.1: java.lang.NullPointerException
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:423) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:415) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:491) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:399) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:276) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:223) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:243) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.LanguageBridgeFactory.translate(LanguageBridgeFactory.java:186) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.<init>(ConnectorWorkItem.java:176) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.datamgr.ConnectorManager.registerRequest(ConnectorManager.java:203) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.DataTierManagerImpl.registerRequest(DataTierManagerImpl.java:997) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.tempdata.TempTableDataManager.registerRequest(TempTableDataManager.java:179) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.AccessNode.registerRequest(AccessNode.java:497) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.AccessNode.openInternal(AccessNode.java:265) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.AccessNode.open(AccessNode.java:168) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.RelationalNode.open(RelationalNode.java:254) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.UnionAllNode.open(UnionAllNode.java:123) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.JoinStrategy.openRight(JoinStrategy.java:105) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:231) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.LimitNode.nextBatchDirect(LimitNode.java:102) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:150) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:281) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:145) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:151) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:114) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:164) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:146) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:472) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:348) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:274) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:280) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) [teiid-engine-8.12.11.6_3-redhat-3.jar:8.12.11.6_3-redhat-3]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_131]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_131]
at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_131]