3004133 - Supplier Invoice API: Error "An exception was raised" when processing API_SUPPLIERINVOICE_PROCESS_SRV

Symptom

When creating an invoice through API service from an external system using API_SUPPLIERINVOICE_PROCESS_SRV, the general error "An exception as raised" is shown on screen.

This can be seen in in detail in transaction /n/IWFND/ERROR_LOG.

Environment

SAP Fiori
SAP S/4HANA All versions
SAP S/4HANA Cloud All Versions

Product

SAP S/4HANA Cloud all versions ; SAP S/4HANA all versions

Keywords

FIORI, external, system, check, currency, sequential, order, JSON, error log, API_SUPPLIERINVOICE_PROCESS_SRV. , KBA , MM-FIO-IV , Fiori UI for Invoice Verification , Problem

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