Diagnosis
You clicked on the 'Refresh' pushbutton, but the two personnelnumber fields do not contain entries.

System Response
When you choose the 'Refresh' pushbutton, the system deletes theexisting list and sets up a new list of personnel numbers.
This new list contains either

• Only the one, minimum entry personnel number, if this personnel number
has trips assigned to it;

• Or all personnel numbers within the specified interval to which trips
have been assigned.

Procedure
Please enter a personnel number with trips in a personnel number fieldor enter a personnel number range.