Solution : https://service.sap.com/sap/support/notes/981819 (SAP Service marketplace login required)
Key words :
terms apo dp afs forecast reason, system landscape ->assign logical system, queue type ->maintain role 'afs', transfer planned independent requirements, apo core interface, business system group, prerequisites additional info, contact sap development, sap components ->integration, connected afs
Related Notes :
989814 | SCM 5.0 and AFS 3.0B - Demand Planning - modification note |
814443 | AFS and Demand Planning |