Ah i just had my AVIOS(2-4-1) LHR-SYD return (June 1 - 28) cancelled, i attempted to use the MMB to change dates, but no dates seem to show as available in 2021.
Do i need to phone so the BA team can open up a CASH seat for my AVIOS booking to be rebooked (e.g. this cant be done online by myself)?