Solution : https://service.sap.com/sap/support/notes/147325 (SAP Service marketplace login required)
Key words :
column 'view field' enter 'bsakz', additional key words atp, column 'table' enter 'eban', apply field bsakz, attached advance corrections, 'insert line' icon, column 'field, ' enter 'bsakz', enter object, view atp_eban
Related Notes :
| 149768 | ME51: Automatic source determination without delivery date |