Telkom Bad Customer service and Billing

I’ve been having issues with Telkom for nearly a month trying to resolve something their consultant messed up ,I went into a branch in November and asked one of the consultants to remove a data package as I was not using those sim cards , he went and cancelled the contract which made me liable for a device fee (which he did not notify me off I only saw when I received my bill)

I’ve been in a branch thrice and called there helpline over 10 times they just keep sending me a case number.

I keep on receiving this sms which will be debited this week Thursday

Dear Telkom Mobile Customer. Your balance for account number 502***xx is R14309.64 for this month which will be deducted via the monthly debit order.

I cannot afford to pay that amount and they’re not fixing it