We are receiving following error in Bloom when we run similarity algorithm .
Failed to invoke procedure gds.graph.create.cypher: Caused by: java.lang.IllegalStateException: NoLock[Pipeline[6]] is already locked
On DB side logs we see below messages 
[neo4j.info] 2020-09-20 03:10:44.987+0000 WARN Graph creation failed NoLock[Pipeline[6]] is already locked
[neo4j.info] java.lang.IllegalStateException: NoLock[Pipeline[6]] is already locked