Bad Service

I settled my account at Mall of africa edgars last year December 2020 and got a paid up letter on the 9th January 2021 for edgars account, even today on the ITC im not updated and when i enquire from the company sent me a paid up letter which is Nimble Credit Fund was told that they did their job, only ITC didnt do their job by updating my credit profile. Im so confused because according to my knowledge edgars is the one who was supposed to approach ITC for updating my credit profile since i paid at their shop. They demanded money from me and i paid them in full but now im stucked, my status on ITC still saying i have an arreas with edgars. How is that possible that it takes plus/minus 9months to be updated on ITC