After upgrade from Stat 5.6.4 thru 5.7.0 to 5.7.2 running PS Object Lock Sync against PeopleTools 8.50 and 8.53 fails with error.
Reproduced by going to Maintenance | Stat Central Agent | Job Maintenance process PS Object Lock Sync.
Error: PSLockSync fails with SQLSTATE: 99999 Invalid column Index