UNALLOCATED PAYMENT AND DISCONNECTION

After being a loyal customer to Multichoice for the past years I am really thinking about cancelling my subscription. On 25.05.2018 I made a payment of R365, by the 04.06.2018 I saw that my payment was not received and that my subscription increased with R20. I sent them the proof of payment and I made another payment of R50. My services was disconnected on 06.06.2018, I phoned them and they reconnected, but after that I saw that I was charged a R64.17 contract subscription fee. My service was then once again disconnected and reconnected on the 11.06.2018, billing me for the reconnection fee as well as R256.67 for contract subscription. Why am I liable for that payment if I paid my account on time????? I WILL NOT pay it!!!! You were suppose to allocate my payments?????!!!!