dead lock in CPE

 6C7A764B ASYN FNRCE0019E - ERROR Failed updating next retry date {5827F21B-B08B-4205-99FB-D607333DA467}

com.filenet.api.exception.EngineRuntimeException: FNRCE0019E: E_DEADLOCK_ERROR: The operation could not be completed due to a deadlock error. A retry might be appropriate. ObjectStore: "OS1", SQL: ""UPDATE dbo.QueueItem SET epoch_id = epoch_id + 1, modify_date = ?, next_retry_date = GetUTCDate() + DateAdd(s,30,0), lease_expiry_date = NULL WHERE object_id = ?" In-bindings: (2015-04-02,{5827F21B-B08B-4205-99FB-D607333DA467})"

at com.filenet.engine.dbpersist.DBMSSQLContext.throwEngineException(DBMSSQLContext.java:355)

at