Solution : https://service.sap.com/sap/support/notes/363117 (SAP Service marketplace login required)
Key words :
zlsch dzlsch mwskz mwskz zterm dzterm <<<<<insert 2, 'amount split' header tab page, additional key words miro, enter database table accvs, dictionary structure accvs, activate structure accvs, logistics invoice verification, component component type, mm document, fi document