How to fix the Oracle error ORA-01253: cannot start online backup – file string in recovery manager backup?

In this post, you’ll learn more about the Oracle ErrorORA-01253: cannot start online backup – file string in recovery manager backup with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01253: cannot start online backup – file string in recovery manager backup

Reason for the Error ORA-01253: cannot start online backup – file string in recovery manager backup

The specified file is being backed up by Recovery Manager.

How to fix the Error ORA-01253: cannot start online backup – file string in recovery manager backup ?

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

Wait for the Recovery Manager proxy backup to complete before starting another backup.