Solution : https://service.sap.com/sap/support/notes/402915 (SAP Service marketplace login required)
Key words :
additional key words me21n, enjoysap purchase order, prerequisites solution proceed, change include lmepotop, create include lmepofa0, change include lmepof01, create include lmepofa1, transaction me21n, field selection, required corrections
Related Notes :
| 402889 | ME21N: Checks for material |
| 368585 | ME21N Performance field selection and start of the transact. |
| 205005 | Performance composite note: Purchase order |