Oracle® Database 11g / 12c / 18c error codes ORA-01594: attempt to wrap into rollback segment ([string]) extent ([string]) which is being freed

ORA-01594: attempt to wrap into rollback segment ([string]) extent ([string]) which is being freed

Oracle Error Code: ORA-01594

Cause: Undo generated to free a rollback segment extent is attempting to write into the same extent due to small extents and/or too many extents to free

Action: The rollback segment shrinking will be rollbacked by the system; increase the optimal size of the rollback segment.