Solution : https://service.sap.com/sap/support/notes/134793 (SAP Service marketplace login required)
Key words :
external service agent sales order, additional key words saplvedf, es agent sales order, es agent scheduling agreement, sales order number, purchase order data, order number, scheduling agreement, billing documents, filled correctly
Related Notes :
378698 | IDOC-Invoic: order number in ESA processing |