Message Oracle RMAN-06123 - operation not supported without the recovery catalog or mounted control file

ERRORoperation not supported without the recovery catalog or mounted control file
CAUSEA command was used which requires a connection to a recovery catalog database or the target database to be mounted. The command cannot be used when no backup repository is available.
ACTIONIf a recovery catalog database is available, then connect to the recovery catalog and retry the command, otherwise enter a different command.