Advised of wrong process

I was never informed that my account was handed over I’ve never received contact for over 9 years from TFG I’ve called numerous time requesting them to update my information instead they made me follow a wrong process that was dreadful because the lady who dealt with it was rude and had no means of assisting me, According to law

Section 126B: Application of prescription of debt. (1) (a) No person may sell a debt under a credit agreement to which this Act applies and that has been extinguished by prescription under the Prescription Act, 1969 (Act No. 68 of 1969). (b) No person may continue the collection of, or re-activate a debt under a credit agreement to which this Act applies – (i) which debt has been extinguished by prescription under the Prescription Act, 1969 (Act No. 68 of 1969); and (ii) where the consumer raises the defence of prescription, or would reasonably have raised the defence of prescription had the consumer been aware of such a defence, in response to a demand, whether as part of legal proceedings or otherwise.’