Absence - Existing Absence requests are not getting deducted from Balance after removing and re-assi

Content

Details of balance before removing the enrollment-
Enrollment Plan - A, Status - Active, Accrual type, Enrollment Start date = 1/1/19, Balance calculation date = 12/2/20, Balance=8, Existing Absence requests = 14

Click on Delete Enrollment and got below warning. clicked oK.
Deleting enrollments will remove all details for the selected plan. Any absence records associated with this plan must be evaluated. Do you want to continue? (ANC-3405138)

Then Add Enrollment with Enrollment Start date = 1/1/19 and Balance calculation date = 12/2/20.
it shows balance as 22. (Periodic Accrual)

Please guide How to bring back the existing absences to calculation, So that these get deducted from the Balance.