On another thought on the matter,you should be able to take your 4 weeks vacation that you have earned thru years of service but you may not be paid fully based on your hours worked from the previous year.
"Sorry if this is off topic, I went combo in january and i didn't get my vacation pay, but i still scheduled the weeks i chose to take my vacation.Why didn't i get paid for my vacation? Is it because i went combo?"
If you worked the required hours the year before you should be paid for the vacations due you from years of service.