Solution : https://service.sap.com/sap/support/notes/197316 (SAP Service marketplace login required)
Key words : 
call function 'co_bi_afpo_upd'             exporting                  afpowa    = afpod                  aufnr_act = caufvd-aufnr, additional key words afpod-wepos, aufnr_act = caufvd-aufnr, /3 support packagethe additional line, afpod-weunb, afpod-uebtk, indicators wepos, /3 support package 1, set correctly, table afpo
Related Notes : 
       
| 192996 | CO40, CO41: Collective order and nonvaluated material |