Toxic customer care call center. Termination department.

On the 4th of January I requested for contracts termination, I was sent a quote for an early termination penalty and advised to pay cash at the nearest vodacom outlet, which I did and also send them a proof of payment. Today vodacom has handed me to the debt collectors and the legal attorneys claiming that I owe them R138. 68 which has drastically affected my credit score 6 points down due to missed vodacom payments. The surprising part is that I was never a cash customer at vodacom, they debited me monthly and I have never cancelled their debit, missed payment due to insufficient funds nor reverse any debit. This is clearly a sabotage or punishment for terminating a contact with vodacom. They