Withdraw before college classes

Hey guys I have a big problem so I applied for college classes in Kingsborough Community College, I was on my computer at home and I accidentally withdraw from 3 of my classes day before my classes start, now on my profile I have a bill amount of $2,500 that I have to pay, I didn’t even go to any classes what can I do about this problem please help

Call and speak to the Dean or a guidance counselor