BOM component group in confirmation screen.
My Requirement is like this :
I make a BOM of FInished Materail "A". To make BOM i need BOM component "1". when i go to do confirmation in co11n screen. Component "1" is seen for 261 movt. now if stock of "1", is not available user can select "2", also .
The Requirement of user is "he need to mainatin some type of group", that will contain both component "1" and component "2".
He must not be allowed to select any material other that material in that group.
Alternate item group does not staisy my requirement
Experts plz help on this scenario.