Paid up account showing in arrears for months

I would like to know why isit that I need to call and text after your company to update my information on my report the lady who called me promised to call me back never did what great customer service u so eager when wanting to get people to pay u but when u need to update their information u take forever months I mean this is not on man I want my information to be updated or I will take legal action against u as by law u need to update the customers information with the bureau when its paid up!!!!!!!!!!!!!!!!!