spend limit

PLEASE PEOPLE BE AWARE OF THE ***** HAPPENING IN MTN BILLING DEPARTMENT AND NO ONE CARES THAT THEY ARE DOING THIS,

I HAVE A SPEND LIMIT OF R141 I GOT CHARGED R183 AND THE MORE YOU CONTACT THE PEOPLE WORKING AT MTN CARE AND ACCOUNTS THEY CANNOT GRASP WHAT I AM SAYING OR TRY TO EXSPLAIN THIS WHAT HAS THIS COMPANY COME TO ....DISGUSTING