Accumulators set to 0 when changing empl rcd during the year after identify+calc

We have an absence 'vacation leave' which is renewed every year. When someone changes during the year from emplid record suddenly the accumulators on review absence balance page are showing 0. Only when you finalize a calendar the correct values pop up again. Ideally you identify+calculate a calendar at the beginning of a month and finalize it at the end, to do it all over again the next day. But with the issue we are facing now, a big part of our population will not be able to see their credit anymore and will be inelibile to take the vacation