RCS lost my payment and will not allocate

I made 2 payments on 31 October 2024. One via eft and one at a till at pick and pay. Only one has been picked up and NO ONE is willing or able to assist me, the system refuses to let me register for self service and will not let me go through to the complaints department, it kicks me when I add my info. How on earth do I get this sorted. Pathetic lack of service and interest on their agents part.