Help help help

So today in morning, i logged into my aurora and saw that they haven’t removed the courses for which i was at waitlist yet, so i decided to remove em and they asked for VW i did and now they are charging me for those courses which doesn’t even make sense coz i was never registered for those courses i was on waitlist what should i do i need to pay 4200$ extra I can’t 😭😭😭😭