Solution : https://service.sap.com/sap/support/notes/301744 (SAP Service marketplace login required)
Key words :
additional key words saplsvim, real account assignment object, true account assignment object, possibly previously derived, entered business area, business area indicator, business area, transaction okb9, tka3a-xgsber, v_tka3a-xgsber
Related Notes :
443427 | OKB9: business area-dependent account assignment not found |