Solution : https://service.sap.com/sap/support/notes/1081802 (SAP Service marketplace login required)
Key words :
'display business object' dialog box, -> 'business object element assignments' -> 'dependencies, outbound delivery header turns red, business object processing framework, call transaction /bopf/conf_ui, select 'header consistency itm', select 'item consistency itm', outbound delivery header, select 'maintain dependencies', item remains green
Related Notes :
1071644 | BOPF: Manually implementing notes/importing Support Packages |