SAP Message 8B485 - Price differences for work in process will not be taken into account

Diagnosis
You selected Include Price Differences from Work in Process.However, price differences cannot be taken into account for work inprocess for the reported prices and quantities, since the requiredfunction (Extension Set EA-APPL) is not available.

System Response
This message is only a warning; the system reports work in processwithout the related price differences.