Solution : https://service.sap.com/sap/support/notes/398459 (SAP Service marketplace login required)
Key words :
active yearly advance payment object, additional key words yap, settled budget billing items, incorrectly determined tax amount, budget billing amount, invoice credit memo, prerequisites install note 361815, tax base amount, tax amount, settlement
Related Notes :
407852 | YAP: Settlement with YAP document for debitor |