Solution : https://service.sap.com/sap/support/notes/378897 (SAP Service marketplace login required)
Key words :
additional key words me21n, required entry field, enjoy purchase order, purchase order, transaction me21n, field selection, batch field, system displays, message me083, enter batch
Related Notes :
| 410817 | ME21 batch reqrd entry fld w/ matl w/out batch mgmt requirmt |
| 317477 | ME21N Batch cannot be declared as required entry field |