How to fix the Oracle error ORA-55510: Mining could not start?

In this post, you’ll learn more about the Oracle ErrorORA-55510: Mining could not start with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55510: Mining could not start

Reason for the Error ORA-55510: Mining could not start

Mining could not start for the following reasons.

1. A logminer session was processing

2. The database was not mounted or not opened for read and write

3. Minimum supplemental logging was not enabled

4. Archiving was not enabled

How to fix the Error ORA-55510: Mining could not start ?

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

Fix the mentioned problems and try again. Note that if you enable supplemental logging now, you will not be able to remove a transaction that has committed without supplemental logging.