How to fix the Oracle error RMAN-20019: database name not unique in recovery catalog?

In this post, you’ll learn more about the Oracle ErrorRMAN-20019: database name not unique in recovery catalog with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-20019: database name not unique in recovery catalog

Reason for the Error RMAN-20019: database name not unique in recovery catalog

An attempt was made to grant or revoke catalog access to a database whose name is not unique in the recovery catalog.

How to fix the Error RMAN-20019: database name not unique in recovery catalog ?

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

Re-issue the command specifying the database ID of the desired database.