| ERROR | rollback segment string is not online |
| CAUSE | Could have been taken offline before by DBA or cleaned up by SMON. |
| ACTION | Check the status of rollback segment in undo$ or dba_rollback_segs to make sure the rollback segment is actually online. |
| ERROR | rollback segment string is not online |
| CAUSE | Could have been taken offline before by DBA or cleaned up by SMON. |
| ACTION | Check the status of rollback segment in undo$ or dba_rollback_segs to make sure the rollback segment is actually online. |