Not my fault

I am not going to tell you my whole story but in short I did a cash advancement a while ago I have updated my card number a few times on Voda pay You are still having problems getting your money I logged it a while ago and it was just left Now you are threatening me to hand me over The error is on your side I have told you to add the amount to the monthly bill you say you can't do that........ Sort it out now!!!!!!!