Solution : https://service.sap.com/sap/support/notes/137588 (SAP Service marketplace login required)
Key words :
additional key words bkpf-grpid, document header /bkpf-grpid, include field grpid, field acchd-grpid, batch input session, direct input, structure acchd, transferring data, bgr00-group, data transfer
Related Notes :
| 63019 | RFBIBL00 'D': fields missing in accounting doc |