How to fix the Oracle error ORA-01252: cannot prevent writes – file string in recovery manager backup?

In this post, you’ll learn more about the Oracle ErrorORA-01252: cannot prevent writes – 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-01252: cannot prevent writes – file string in recovery manager backup

Reason for the Error ORA-01252: cannot prevent writes – file string in recovery manager backup

An attempt to make a tablespace read only or offline normal found that a recovery manager proxy backup is in progress. If the file is made offline or read-only, then the file header cannot be updated when the backup is complete.

How to fix the Error ORA-01252: cannot prevent writes – file string in recovery manager backup ?

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

Wait for the Recovery Manager backup to complete and retry this command.