https://userapps.support.sap.com/sap/support/knowledge/en/3607617
3607617 - Error: "Field ID is empty in InvoiceDocumentReference of BillingReference" | SAP...
While submitting eDocument system throws an Error:" Field ID is empty in InvoiceDocumentReference of BillingReference" Message No. EDOCUMENT_SA006 Image/data...
is emptyerrorfieldid