DSTV the Inconviencer ???

Good afternoon

I have a serious problem with my DSTV account as i called customer service and kept waiting for half an hour without being assited. My query ws the amount im suppose to pay which amount to R1163 and what im suppose to pay its R624, when i asked they said to me on the month of may they reversed my debit order bcz it ws duplicate. So wn i ask whose problem its dt bcz now on de 15th August, i have to pay R1163 which i ddnt plan for it and its inconviencing. Im frustrated that they make their problem my problem and i have other things to do. Dtsv its inconviencing lot of ppl bcz of their errors, please assist