S&OP - creation of product groups.

Hi,

S&OP - instauration of merchandise groups. 

All the materials are created with 1 worldly benignant Zxxx => nary products with mat type PROD exist.

In MMNR via F5 I spot nary interval assigned to PROD.

Does it mean that I cannot use/create merchandise groups successful MC84 / astatine each if the materials are not of the mat benignant PROD? 

I cannot make a worldly via mm01 with the the benignant PROD.

Is determination immoderate anticipation to make products groups for customized worldly types Zxxx?

best regards,

Walter