ONAIR is a BIG *****STAR - they claim my account is in arrears and have messed up my credit rating!!!

I have a contract with OnAir for a Dstv explorer. Every single month they have collected their money from my account through debit order (on my payday and I have never missed my salary). I have had several calls from OnAir claiming that my account is in arrears which I refused and they have asked me to send them proof of payment through WhatsApp *** and ***) and I have sent them the transaction history from my bank statements. This has gone on for quite a while to a point where I started ignoring them. Now I have checked my ClearScore account and realised that my credit score has been greatly affected by them claiming that my account is in arrears.

I STRONGLY RECOMMEND THAT EVERYONE STAYS AWAY FROM THESE ******** AND I AM GOING TO TAKE LEGAL ACTION AGAINST THEM. I have my bank statements to prove that I have never missed any payment.