we found in the errors logfile
category=SYNC severity=MILD_ERROR msgID=14876739 msg=Could not replay operation ModifyOperation(connID=-1, opID=27459, dn=uid=john.doe,o=company) with ChangeNumber 00000185df954d34147a00005c63 error Other Database exception: (JE 7.0.7) Lock expired. Locker 1608766730 390873701_Replication Replay thread 3_Txn: waited for lock on database=o_company_id2entry LockAddr:1832727115
and in access log:
An error occurred while attempting to update password policy state information for user uid=john.doe,o=company