Solution : https://service.sap.com/sap/support/notes/120050 (SAP Service marketplace login required)
Key words :
additional key words faz, billing type faz, message f1805'clearing, payment requests, update termination, line item &, cancel numerous, transaction vf11, document & & &, post_document
Related Notes :
161864 | Update termination when reversing a down payment request |
113347 | Down payment process. as of Release 4.0x (standard) |