Diagnosis
When calculating the week converter or checking the employee'seligibility, the system was unable to determine the employee's workingtime.

Procedure
Notify your system administrator.

Procedure for System Administration
In the Customizing settings for the rule processed, you specified thatthe system is to use the employee's planned working time to calculatethe working hours.
The system encountered errors when reading the personal work scheduleto calculate the average. Check the employee's work schedule.