Message Oracle RMAN-05013 - auxiliary control file name string conflicts with a file used by the target database

ERRORauxiliary control file name string conflicts with a file used by the target database
CAUSERMAN is attempting to use the specified control file name for Tablespace Point-in-Time Recovery as a restore destination in the auxiliary database, but this name is already in use by the target database.
ACTIONSet control_files parameter in the auxiliary instance to a name that does not conflict with a file name in use by the target database.