Solution : https://service.sap.com/sap/support/notes/89824 (SAP Service marketplace login required)
Key words :
field resb-baugr remains, additional key words co02, attached source code corrections, dependent components receive, transaction md04/md05, exploded phantom assembly, phantom assembly, exploded correctly, correct assembly, manually add
Related Notes :
93570 | Creating/deleting phantoms in production order |
69107 | Overwriting material -> Component becomes dummy |