Solution : https://service.sap.com/sap/support/notes/184586 (SAP Service marketplace login required)
Key words :
set system change option namespace role, systems involved client-independent customizing, terms system change option, transfer structures / transfer rules, client-independent customizing, system change options, display/change namespaces, activate transfer rules, receive error messages, 6a hot package 3
Related Notes :
503363 | Use & management of fixed aggregates in Demand Planning |
177522 | BW as of Basis 4.6A:Transport of transfer structures |