Terrible service

Vodacom the worst service ever, I have an account with them they debit my account on the first and if the first is on a weekend they debit it the following Monday, I app**** for a new contract it was declined because "they " say my account is in arreas and I know it was not because it was going to be debited the same day so now with this error I have been calling their call centre sending emails no1 knows how to resolve this issue they have been asking for documents payslip, bank statement and all I have sent they said they will send them to their acquisition department but the acquisition department and they are not helping, and I'm not getting the contract I have to wait for 60 days VODACOM YOUR SERVICE IS TERRIBLE I want to cancel my contract.