Oracle Message ORA-16544 - modifying DG_BROKER_START requires SID=* qualifier

ERRORmodifying DG_BROKER_START requires SID=* qualifier
CAUSEThe setting for the DG_BROKER_START parameter must be exactly the same on all RAC database instances. The SID=* qualifier was required in the command.
ACTIONReenter the command using the SID=* qualifier.