Curro Karino in Nelspruit - letter of demand of school fees for a learner that was never at Curro

I am having a bad experience with Curro Meridian Karino in Nelspruit. I have made an application in 2020 hoping that my child will attend in 2021. But due to COVID issues I decided not to proceed with application. An email was sent and followed by telephone call that my child is not coming. To my surprise I was getting statements with interest charges from Curro. I then asked questions but no one came back to me from all Curro departments. I am now given a letter of demand from Curro attorneys. For a child that never put his foot at Curro. I am disappointed.