Received sms for unpaid debit order from Vodacom, contact them to dispute this and rescheduled another debit order

Received sms for unpaid debit order from Vodacom, contact them to dispute this and rescheduled another debit order. To my surprise they where debiting wrong account and forcing me to do EFT coz of their mistake and told me that if I don't do payment my account will be suspended. What a joke