Solution : https://service.sap.com/sap/support/notes/480963 (SAP Service marketplace login required)
Key words :
overpayment / advance payment made, automatic expense posting, reverse incoming payments, source code change, rounding difference occurs, rounding difference expense, post rounding differences, source code correction, minor difference - section 1, minor difference - section 2
Related Notes :
128498 | EURO: Changes and innovations in payment transactns |