Solution : https://service.sap.com/sap/support/notes/361815 (SAP Service marketplace login required)
Key words :
yearly advance payment function, additional key words yap, budget billing amount items, budget billing amount, open yap items, active yap items, settled credit amount, yap amount, settled credit, yap participation '2'
Related Notes :
407852 | YAP: Settlement with YAP document for debitor |
389110 | INV,JVL: Error EB155, settlement w. 1st BB amount for YAP |