Solution : https://service.sap.com/sap/support/notes/488696 (SAP Service marketplace login required)
Key words :
requirement coverage request, terms ekpo-adrnr, -party item category, manually entered address, ekpo-statu, -party reason, -party preqs, delivery address, sales order, purchase order
Related Notes :
335311 | Problems with delivery address in Transactn ME21N |
204190 | Third-party: No update of purchase order with SP change |