Telkom wifi and fibre debacle

May 2022 Telkom was supposed to upgrade my home wifi to fibre and cancel the wifi and remain with fibre. Fibre was installed and assumed that wifi was cancelled, fast forward months later the wifi has not been cancelled and I now have 2 contracts with them. Called the sales department for assistance but to no avail and no assistance was given. Now I am getting messages that my account is in collections and I have nothing to do with manual payments. All payments are supposed to be a monthly debit order as it is happening with wifi. The call centre agents are taking me to pillar and post about resolving this matter. Wifi number ***, Fibre number TIN***. I really need assistance with this ASAP