Solution : https://service.sap.com/sap/support/notes/489883 (SAP Service marketplace login required)
Key words : 
optional import parameter afpod_imp, function module co_mf_component, attached program corrections, production order, process material, goods receipt, system displays, gr quantity, order header, terms co02
Related Notes : 
       
| 655803 | Insert co-product: SBDKZ incorrect | 
| 607089 | Valuated goods receipt for nonvaluated material | 
| 597600 | Maintaining settlement rule after adding a co-product | 
| 573153 | Error message KD082 when adding a co-product | 
| 571817 | Termination message 40099 during the order creation | 
| 559067 | Variances: Message KV206 for process material | 
| 551926 | Program termination ILLEGAL_OBJART in cost analysis | 
| 507248 | No credit generated during standard cost estimate | 
| 449944 | Process materials in production planning | 
| 390858 | Required entry when accessing component overview | 
| 373115 | CO03: GR quantity co-product is not displayed |