Ensure that there are core hours established for the employee’s SAC. If not, establish core hours and then try again.

If the employee’s SAC does have core hours established, make sure the hours listed in the Biweekly Distribution of Biweekly Basic Work Requirements at the bottom of the Tour of Duty page have been cleared out prior to going to the employee’s timecard on the “Timecard” tab and clearing it out as well.