Missed/ late payments

Good day, I am with clear score, I am currently subscribing to Vodacom. In January 2023 I opened my credit rating. I discovered I was listed as a late payment in October 22, the next day I opened my credit score again, so I was listed as a late payment for September 2023. I phoned Vodacom regarding this matter, According to them there they can't pick up any late payments. I logged a dispute with experience, I tried to make a call to their call centre but to no avail. I am not in arrears with any of my accounts, what happened I pay my accounts from the 15 th of each month, Vodacom sent out their statement around about that time. It seems to me I can't bring my point across to experian.