Diagnosis
You have set the Dyn. scheduling indicator (dynamic scheduling),so that this portion can be used for dynamic scheduling. You can onlyset this indicator if no schedule records exist for the portion or forthe meter reading units belonging to that portion.

System Response
An error message is displayed.

Procedure
If you do wish to change the portion in this way, delete the schedulerecords of the portion and of the corresponding meter reading unitsfirst. You can find out which meter reading units belong to the portionby viewing the where-used list.