RCS ********l ITC listing

Good Day I made a full payment on my RCS account with Daly attorneys in May 2021 ( the institute gave me a discount), I have received a paid up letter from the institution ( Daly attorneys) showing that I do not owe my account. The RCS account still shows that it’s active and that I owe them an amount of +- R4400 and it has been handed over. To my knowledge it shows that someone from RCS did not do their job after I had made my final payment. I have contacted RCS several times requestingthem to remove the credit owed from the ITC but they just told me that Daly Attorneys must write them an email to confirm my story - this is regardless of the fact that I emailed RCS my paid up letter a paid up letter and all they do is send me from pillar to post. I was assisted by RCS call centre in Goodwood, Cape town to a point where they advised that I should contact Daly Attorneys myself. It has been a year and they still haven’t removed and cleared my name with ITC and now my name is listed on ITC as a bad payer. I don’t owe RCS anything, I paid my account in full! I just want my name to be removed from ITC, it’s really affecting my credit score, I can’t even purchase anything because this account keeps on blocking me. I don’t owe RCS account anything. Please assist