SAP Message 06581 - A different outline agreement with the supplying plant is preferred

Diagnosis
You have entered an outline purchase agreementin the item as source of supply. However, the sourcelist specifies a different outline agreement as the preferredsource as at the item delivery date.

System Response
INCLUDE NA_T160M LANGUAGE EN

Procedure
Determine whether you can assign the item to the preferred outlineagreement shown in the source list.