SAP Message 5C280 - Payroll number &1: missing value for mandatory field of file

Diagnosis
The content of a mandatory field or element in the field cannot bedetermined.

System Response
In both of the log entries below you can see the name of the field inthe employee or employer data, from which the content is to betransferred.
You can use the parameter "Level of Detail Log" to display thedetermined employer and employee data in the log.
Ensure that the appropriate field in the employer or employee data isfilled. Check the log, if necessary, for previous error messages.