Solution : https://service.sap.com/sap/support/notes/165856 (SAP Service marketplace login required)
Key words :
menu option 'process billing due list', entire amount including taxes, entire tax amount, attached advance corrections, entire sales order, accounting document generated, billing document item &, billing document item, sales order item, payment clearing item
Related Notes :
| 560654 | Message VF527 because of note 528608 |
| 166212 | No FM update of the down payment request |
| 113347 | Down payment process. as of Release 4.0x (standard) |
| 97288 | Down payment processing with Tax Jurisdiction Code |