| ERROR | snapshot too old: rollback segment number string with name string too small |
| CAUSE | rollback records needed by a reader for consistent read are overwritten by other writers |
| ACTION | If in Automatic Undo Management mode, increase undo_retention setting. Otherwise, use larger rollback segments |
| 454700 | CS background forecast terminates due to DB error ORA-01555. |
| 190025 | DataSource 0CO_PC_01 / 0CO_PC_02: Termination with ORA-01555 |
| 82634 | PSAPROLL-Which rollback segments created, and how? |
| 1006928 | Error DBIF_RSQL_SQL_ERROR with /SAPAPO/SDORDER_DEL |
| 1021454 | Oracle Segment Shrinking may cause LOB corrupt data |