HELP ME PLEASE!!!!!!!!!!!

My wife’s contracts with u guys is a problem. We pay them every month. A few months ago u guys suspended her contracts due to “Payment not made”. We phoned client care and they said the did not received payment. So we send the proof of payment thru. We always used ref no: ********** 307 but the contract was ended. U guys requested us to send the proof and we did the 09-06-2017 and the 03-07-2017 and the 12-07-2017 and the 15-07-2017, 09-08-2017 and the 10-0-2017 to Legal department, Luyanda Ngcobo, Mohau Mabuda, Mapulang Chala, Anges Moeletsi and Thandolwethu Buthelezi at MTN. Please help me!! I need to upgrade but cant due to this issue. Today 23/08/2017 we phoned again and one department said we are up to date THE OTHER SAID WE ARE R3000 IN ARREARS AND HANDED OVER!!!!! THIS IS PATHETIC!!! CREDIT RECORD UP TO **** THANK U TO MTN