Solution : https://service.sap.com/sap/support/notes/145542 (SAP Service marketplace login required)
Key words :
vendor net procedure, additional key words, prerequisites incorrect determination, solution program correction, payment amount offset, gross amount, payment clearing, billing document, bseg-xanet, ac_downpayment_charge
Related Notes :
113347 | Down payment process. as of Release 4.0x (standard) |