Solution : https://service.sap.com/sap/support/notes/883582 (SAP Service marketplace login required)
Key words :
type optionali_maptax xsource code, multiple-account assignment, balance error reason, change function module, source code, function module, wrong balance, transaction miro, view j_1bkon1v, transaction sm30
Related Notes :
1118911 | MIRO: Wrong NF values when using currency with no decimals |
1012077 | Multiple account assignment - nota fiscal items lost |
949642 | MIRO: balance error (PO with multiple-account assignment) |