In this post, you’ll learn more about the Oracle ErrorORA-01598: rollback segment ‘string’ is not online with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-01598: rollback segment ‘string’ is not online
Reason for the Error ORA-01598: rollback segment ‘string’ is not online
Could have been taken offline before by DBA or cleaned up by SMON.
How to fix the Error ORA-01598: rollback segment ‘string’ is not online ?
You can fix this error in Oracle by following the below steps
Check the status of rollback segment in undo$ or dba_rollback_segs to make sure the rollback segment is actually online.