How to fix the Oracle error ORA-55511: Flashback Transaction experienced error in executing undo SQL?

In this post, you’ll learn more about the Oracle ErrorORA-55511: Flashback Transaction experienced error in executing undo SQL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55511: Flashback Transaction experienced error in executing undo SQL

Reason for the Error ORA-55511: Flashback Transaction experienced error in executing undo SQL

There was a constraint violation exception when executing in NOCASCADE_FORCE mode. Users could also get this error if appropriate supplemental logging is not enabled causing constraint dependencies to go unnoticed.

How to fix the Error ORA-55511: Flashback Transaction experienced error in executing undo SQL ?

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

Either use CASCADE or NONCONFLICT_ONLY options or add appropriate level for supplemental logging.