On time payment score is incorrect

I pulled my credit report through the Turbo app and my on time payment score is showing 95% and notes "Needs Improvement", but I have never missed a payment. All of the accounts listed are paid on time at 100% but there is one account on the list with 0 payments made and 0 payments missed I think may be lowering my rating. I have no idea what that account is and why there is no data attached. How can I get this corrected?