Retail - Collective Purchase Orders

Hello Experts,

I'm trying to complete the process of Collective Purchasing Orders. For configuration I followed the steps described in scn.sap.com/thread/34046425

I´ve created a Collective Purchase Order ( based on 2 P.O with same material and for 2 different stores) but I don't know which step come next.

After some searching I also tried to create the delivery document in WF30 but without success. System says " No entries found relevant to delivery generation "

thanks for your time

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