PAYMENT REVERSAL : FROM ABSA TO CAPITEC

I made an error on my banking details when I sent service provider (Galaxy Doors - Bloemfontein) for refund; the service provider transferred money on the 13th September to the wrong account holder ***) instead of ***) and I made them aware on Saturday 14 September immediately when I realized that some of the numbers on the account were wrong and they contact ABSA same day, then they were told to write an email which they did send on Monday 16 September, but to date after 3 weeks they've not received any feedback from ABSA, I also contacted ABSA and a lady called Palesa Hleko gave me her email I need to forward email correspondences sent to ABSA, I sent all and she confirmed receiving them and also confirmed email service provider sent. we've been sending numerous emails to ABSA, but no response received from their side. when I called today, I was referred to complaints, and no one answered my calls at complaints. I need your help to get back my money (R10,000.00)