Very upset customer

I have made a payment on the Nedbank account number *** on 02 November 2023,which was suppose to be paid by Nudebt to MTN and it was never paid, and I'm sitting with arrears on my acoount and I can't even upgrade because MTN is saying they never received a payment, I have been ****** by Nudebt t of my money, and they don't even have audacity to answer their calls... I