How to fix the Oracle error ORA-55519: Supplemental logging not available for mining SCN range?

In this post, you’ll learn more about the Oracle ErrorORA-55519: Supplemental logging not available for mining SCN range with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55519: Supplemental logging not available for mining SCN range

Reason for the Error ORA-55519: Supplemental logging not available for mining SCN range

Flashback Transaction cannot work if there are regions in the mining range where supplemental logging is not enabled.

How to fix the Error ORA-55519: Supplemental logging not available for mining SCN range ?

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

If you have provided a SCN/time hint which is approximate and far beyond the specified transaction start time, then readjust the SCN hint and try again. If the system has figured out the transaction start time or you are sure of the range, then the specified transaction cannot be backed out.