Hi all ;
I quess that business area function is not active in custumer.
Also , subject is related Fi and SD.
I know that some companies configure business area with based Plant or SD Area and benefit for seperate their revenues.
Like a :
Business Area 1 : Meat Revenues
Business Area 2 : Egg Revenues
Business Area 3 : Packaging Revenues.
I prepared a document about using business area in SD Forum. If you have spare time , please read.
http://scn.sap.com/docs/DOC-45884
Regards.
M.Ozgur Unal