Solution : https://service.sap.com/sap/support/notes/825574 (SAP Service marketplace login required)
Key words : 
attached advance correction, payment request, financial accounting, transaction vf11, document flow, partly cleared, terms vf11, partial clearing, bedingung_pruefen_005 reason, inadequately checked
Related Notes : 
       
| 213852 | Analysis of down payment processing with FI |