My clients requirement is to create a new material group AAAAAA and a product hierarchy AAAAAA001
I have created a Material Group thru Logistic General Material Master Settings for Key Fields Define MAterial Group.
Then i tried to maintaing the Prod. Hierarchy, Logistic General Material Master Settings for Key Fields Data relevant for Sales & Distribution - Define Product Hierarches - Maintain Product Hierarchy.
but the system is giving an error " Please create Preceding node first".
Kindly advice me where to create the preceding node for this product hierarchy.