credit report balance error 2

https://kilo-wiki.win/index.php/How_to_Remove_Inaccurate_Credit_Entry_From_Your_Credit_Report

I found out my credit report has my student loan balance listed as way higher than it actually is. That balance error is dragging my score down even though I've been paying on time every month. I'm working on getting it fixed because I shouldn't be punished for a mistake they made.