Solution : https://service.sap.com/sap/support/notes/428995 (SAP Service marketplace login required)
Key words :
additional key words mp38, special features occur, message class mp, attached advance corrections, selection field 'plant', transaction mp38, selection screen, implemented note 383823, work anymore, period indicator
Related Notes :
| 502897 | Forecast: Rounding strategy in Transaction MM02 and MPxx |
| 383823 | MP38: Restriction according to materials |