How to fix the Oracle error ORA-30019: Illegal rollback Segment operation in Automatic Undo mode?

In this post, you’ll learn more about the Oracle ErrorORA-30019: Illegal rollback Segment operation in Automatic Undo mode with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30019: Illegal rollback Segment operation in Automatic Undo mode

Reason for the Error ORA-30019: Illegal rollback Segment operation in Automatic Undo mode

This operation only allowed in Manual Undo mode.

How to fix the Error ORA-30019: Illegal rollback Segment operation in Automatic Undo mode ?

You can fix this error in Oracle by following the below steps

restart instance in Manual Undo_Management mode and retry operation.