You have to login to HBase and remove master table atlas_titan as below And restart service. hbase(main):003:0> list TABLE ATLAS_ENTITY_AUDIT_EVENTS atlas_titan 2 row(s) in 0.0070 seconds => ["ATLAS_ENTITY_AUDIT_EVENTS", "atlas_titan"] hbase(main):005:0> disable 'atlas_titan' 0 row(s) in 2.5060 seconds hbase(main):006:0> drop 'atlas_titan' 0 row(s) in 1.2730 seconds hbase(main):007:0> exit Restart Atlas service from Ambari UI
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