Diagnosis
The workload monitor is structured so that only periods and instancescan be selected for display for which statistics data is available.However, it is possible in exceptional cases (for example, through theinitial view), that data should be displayed for a combination ofinstance and time period for which no data exists.

System Response
The system displays an empty ALV Grid Control.

Procedure
Select a different instance or a different time period, for whichstatistical data exists in the performance database.