Hit the error described by note 1306168.1. Per the note, disabled the constraint and restarted the worker. The worker finished. However, now I can not re-enable the constraint. How do I re-enable the constraint. JBECKSTROM@or01>alter table ota.ota_event_associations enable constraint ota_event_associations_uk2; alter table ota.ota_event_associations enable constraint ota_event_associations_uk2 * ERROR at line 1: ORA-00955: name is already used by an existing object Jeffrey Beckstrom Database Administrator Greater Cleveland Regional Transit Authority Information Systems 1240 W. 6th Street Cleveland, Ohio 44113 -- //www.freelists.org/webpage/oracle-l