There are three possible causes of this issue.
User does not have enough entitlement on the affecting balance
Resolution: Ensure there is enough entitlement on the affected balance(s) to record the leave. To view the existing entitlement on Back-Office, follow the steps below.
Go to CoreTime
Click on Pers Data
Select Person Maintenance
Query the employee
Click on Current Balances
Affecting Code is attached to another Balance that doesn't have enough entitlement
Ensure that all Balances activated have the required entitlement to book off leave.
📌 Note: Balances activated against the affected employee may be marked as Hide on Core Time.
To view hidden balances, please ensure the user querying has the See Hidden Balances Access Privilege turned on. To check this on Back-Office, follow the steps below.
Go to CoreTime
Click on System Params
Select System Users
Query the employee
Click on Access Privileges
There is a reserved entitlement value on the balance in error
Resolution: Complete a manual balance adjustment to reverse the Reserved Entitlement.
📌 Note: If the manager gets the error while trying to action the leave request for the employee, it can be a timing issue where the employee has send multiple leave requests for different days and approving any of them has updated the overall balance and now, the employee does not have sufficient balance why is the error occurs