illtreatment

Pres Les made me a bad payer in 2016 i ordered comforter set from Pres Les, acc no DD9387, it was sent to the post and i was not aware because i did not get information, then later it was returned back to the company, i started to be worried then i call them to ask about my order, they told me that it was returned, they send it again, they started to debit from my account. this year 2018, i wanted some cash from Capitec bank, i did not qualify and when i ask Transunion they told me that Pres Les has listed me as a bad payer, when i ask Pres Les , they told me that they listed me because my goods were returned, And now i cannot have any credit anywhere, my name is dented an Pres Les is not helping me, now i want to buy a car but i can't because of Pres Les. please help in regard to this matter