Vacation Pay

For one of our employees, the “Vacation Pay Available” in the Employee window is -$878.20 and the Vacation Summary report shows -$1,237.67.  The employee only took 2 of his allowed 4 weeks last year and he’s asking that he get the other 2 weeks in cheque form.  So when I looked at his vacation pay amount, I realized we had a problem.  He has always been careful to not go over his allowed vacation time so somewhere back in the books, it wasn’t recorded properly.  I did the task of going through his every paycheque since he started (2005) and it turns out, the vacation pay was obviously not set up properly.  Stat holidays weren't set up to receive vac pay; he received a bonus cheque and that wasn't set up to have vac pay calculated; sometimes he would take a vacation day off and it wasn't recorded; once he took a whole week off and it wasn't recorded; and when he had an increase of 4% to 6%, the updated rate wasn't recorded.  What a mess!  So after all this was figured out, we owe him +$2,831.66.  I can change that in the Vacation Pay window in the Employee Centre, but how can I get the accrual/liability inline?  How do I adjust this in QuickBooks?  My accountant is not able to come up with a simple answer so he suggested I ask you.

Thanks for any help.