Complain in customer service

I am a paying customer for more then 3 years now and since 15 july 2022 it is only problem on problem i ask i mailed i caled and still there is a problem aperentley im behind on payment but i have send in more then 20 emails with proof of payments and still they want to take money out of my bank afther i ask them to stop the Debit oder im paying on my phone app and still no progress there and and now the they threten to end my service and i am not at fold here they employ people that ar not doing a good job realy i will never send anyone to join Cell C they do not customer frendley i will be going to any other network i am very DISEPOINTED in them