Solution : https://service.sap.com/sap/support/notes/110329 (SAP Service marketplace login required)
Key words :
additional key words sd/copa, find resource related billing documents, sd billing documents, order-account assignment, billing documents, billing document, order settlement, transaction ke4s, direct posting, transaction vf01
Related Notes :
| 166460 | Billing documt with other CO a/c assignment posted |
| 144849 | Invalid error messg.f.subsequ.posting billing doc. |