So ****ed not happy

I have a contract with the company and they debit my account on the 05 of every month on the 21st of October they sent me a message saying that I failed to pay my account on the 26th i reversed the money they debited, i made EFT on the their account yesterday a lady called me to ask about the payment i explanation to her shr said she will do allocations later yesterday i got a message about a final notice today sanele called me about the same issue which i thought they sorted it out, i had to send my bank statement to as a proof, i am tired of this thing why are they debiting my account when they will be sending me massages. They must hire people who will do what they are psid for, so ****ed.