Message Oracle RMAN-07521 - cannot create recovery catalog in database version string; version string required

ERRORcannot create recovery catalog in database version string; version string required
CAUSEAn attempt was made to use a version of the recovery catalog schema that was incompatible with the version of the database.
ACTIONUpgrade the catalog database to at least the required version or install the catalog schema in a different database which is of at least the required version.