Solution : https://service.sap.com/sap/support/notes/323780 (SAP Service marketplace login required)
Key words :
additional key words ekpo-kunnr, system generates error message 06441, required entry field check, required entry field, purchase order originates, -party item manually, program error, ekpo-adrnr, ekpo-adrn2, ekpo-emlif
Related Notes :
| 379824 | ME21N ME51N Problems with delivery address |
| 335311 | Problems with delivery address in Transactn ME21N |
| 98953 | Field selection for delivery addresses |