Unsatisfied

I called in at Telkom and gave them my new banking details, this was in May, Telkom did not deduct from the end of May, June and July. I paid manually in on the 3 June, 7 July' and 6 Aug 2024 because each time my banking details were not updated. Each time they did not deduct they charged me a penalty. After paying on the 6 Aug 2024, they then deducted my account on the 15 Aug 2024, this led to me having a negative balance in my bank account, because of a debit order that went off on date i did not agree on, they deducted almost 3 times the amount and their explanation was that the amount is for Aug and Sep which does not even make sense. No communication was sent to me regarding this amount. I wish for Telkom to sort our this mess ASAP .