Cancelled account but still shows on my credit score.

Kindly note I have cancelled my policy with iwyze 06/12/2022, but this account still shows as active on my credit score. Kindly update on your side as I no longer have an account with you. I have reached out previously regarding the matter and have the cancellation letter. This is my 2nd year since I cancelled but this account still pops under my accounts on my credit score. The last person I spoke to from iWYZE said they will fix it and even send me my cancellation letter but how come it still shows as an active account on my credit score. This is really tiring.