How to fix the Oracle error ORA-55520: Log record in compatibility lower than 11.0?

In this post, you’ll learn more about the Oracle ErrorORA-55520: Log record in compatibility lower than 11.0 with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55520: Log record in compatibility lower than 11.0

Reason for the Error ORA-55520: Log record in compatibility lower than 11.0

The logical change record shows that the compatibility of the mined redo is lower than version 11.0. Flashback transaction works only on redo versions 11.0 and above.

How to fix the Error ORA-55520: Log record in compatibility lower than 11.0 ?

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

Advance the compatibility and try to back out transactions that have occurred after the compatibility increase.