ORA-01581: |
attempt to use rollback segment (string) new extent (string) which is being allocated |
| Cause: | Undo generated to extend a rollback segment run out of current undo block space and is attempting to write into the new extent which has not been completely allocated. |
| Action: | The rollback segment extending will be rollbacked by the system, no more extension will be possible untill the next extent is freed up by rolling back or committing other transactions. |