Solution : https://service.sap.com/sap/support/notes/526188 (SAP Service marketplace login required)
Key words :
vbap-stdat = desired datefor, terms vbap-stdat, user exit userexit_move_field_to_vbap, tvap-strum = 'c', request schedule line, user exit userexit_config_date_explosion, bom explosion reason, bom explosion depends, material availability date, request delivery date
Related Notes :
| 901538 | VBAP-STDAT incorrect for configuration |
| 774347 | Collective SAP note: BOMs |
| 549341 | FAQ: BOMs in the sales order |