COLLECTION PRESCRIBED DEBT

The company is refusing to send statements. They have been sending out SMS's weekly for a payment that was due on the 15 Oct 2018. Payment was made. According to them they cant remove the sms from their system. Upon calling them the so called employee said that I am not an client and I have no right's in making any requests. Her words to me was you are black listed and you will need to pay up. But every sms they send they charge you a arm and a leg. Really how will one then ever be able to pay off an account.