Cooks

I work and earn R3000 per month....it took me almost 2 years from 2015 my 1st semester to b able to push myself to go back to school after applting for funding and not being successful. Now after ive scarifices half of my salary to pay for my registration of R1445, i asked unisa to change my registration from semester 2 to semester 1 now they telling i cancelled my module and i forfiet my registration and if i want to register the bew semeater i must pay another R1445. Why is unisa *****ing me over?