How to fix the Oracle error ORA-01347: Supplemental log data no longer found?

In this post, you’ll learn more about the Oracle ErrorORA-01347: Supplemental log data no longer found with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01347: Supplemental log data no longer found

Reason for the Error ORA-01347: Supplemental log data no longer found

The source database instance producing log files for this LogMiner session was altered to no longer log supplemental data.

How to fix the Error ORA-01347: Supplemental log data no longer found ?

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

Destroy this Logminer session. Re-enable supplemental log data on the source system and create a new LogMiner session.