Cartrack seems confused

I’ve been with Cartrack since 2016 and unfortunately I had to sell my car this month. I then called Cartrack to cancel my contract and I had planned to join again when I get a new car possibly next week. Now I’ve received an email saying I must pay a cancellation fee of R133 and then another email and call telling me I need to pay a cancellation fee of R132 plus R59. What’s going on?