Solution : https://service.sap.com/sap/support/notes/941260 (SAP Service marketplace login required)
Key words :
start transaction se38 'abap editor', subnodes '/scdl/pdi_itm' -> '/scdl/pdi_dlv', node '/scdl/pdi_itm' -> '/scdl/pdi_pac', 'business object element assignments' node, /scdl/pdi business object, start transaction /bopf/conf_ui, 'business object configuration' node, shelf life expiration date, choose 'maintain node assignment', choose 'maintain node configuration'
Related Notes :
| 1071644 | BOPF: Manually implementing notes/importing Support Packages |