Daly Credit Corporation abuse.

Dear Hello Peter. Where can I report Daly Credit Corporation? The way they do business I doubt is within the law. They keep on harassing me using smses and calls. My Woolworths account was handed to Daly in 2022, I was owing R2400, I made an arrangement to pay R150 monthly at the Woolworths store. In 2023 I started receiving smses stating that I still owed R2400 even after paying my R150 monthly as agreed. I refused to make any further payments untill Daly provided me with statements showing payments made, Daly has not been able to do so, instead they send me statements showing monies owed. Please help, they harass me daily with smses and calls. I don't know what to do.