Solution : https://service.sap.com/sap/support/notes/155679 (SAP Service marketplace login required)
Key words :
structure reference type optionalfxvbep vbepvb xfxj_3avbue j_3avbuev xfyj_3avbue j_3avbuev xplease apply, type proposal optional referencef_vorgaenger ' ' xplease add, attached source code corrections, additional key words rv_xvbup_maintain_lfgsa, additional atp-check, item-level differs, schedule line level, function module'rv_xvbup_maintain_lfgsa', table parameters ref, function rv_xvbup_maintain_lfgsa
Related Notes :
| 175806 | Delivery change does not adjust requirement |
| 147731 | AFS V1.0D2 Fixpack #4 including HP/LCP 19-26 |