Re: Creating group

Looks like there is a misunderstanding about the group functionality, We use group functionally to collectively process the document. if your requirement is that for item 1 & item 2 there should be a separate documents then you should look the outbound delivery split and not  splitting the group. Maybe the below link will give some idea about group functionality

http://help.sap.com/saphelp_rc10/helpdata/en/72/08a3f506924397965af2dfa42c1604/content.htm?frameset=/en/4d/fb785614a6412c903fc2f18c100947/frameset.htm&current_toc=/en/f0/0a283a67456b53e10000000a114084/plain.htm&node_id=8&show_children=false

Existing thread which suggest creating multiple  delivery for sales order

https://scn.sap.com/thread/1615778