Solution : https://service.sap.com/sap/support/notes/413158 (SAP Service marketplace login required)
Key words :
define screen layout, field selection key, field selection group, order type reason, enjoy purchase order, enjoy purchase requisition, note 313301 note 324447are, document type subsequently, field empty, document type
Related Notes :
| 491789 | FAQ: Purchase order (ME21N, ME22N, ME23N) |
| 324447 | Field selection key, error ME028 (II) |