How to fix the Oracle error RMAN-20018: database not found in recovery catalog?

In this post, you’ll learn more about the Oracle ErrorRMAN-20018: database not found in recovery catalog with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-20018: database not found in recovery catalog

Reason for the Error RMAN-20018: database not found in recovery catalog

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

How to fix the Error RMAN-20018: database not found in recovery catalog ?

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

Correct the database name and re-issue the GRANT or REVOKE command. If this is an attempt to grant or revoke access to a database that is not yet registered, then re-issue the command using the database ID of the desired database.