Solution : https://service.sap.com/sap/support/notes/1297830 (SAP Service marketplace login required)
Key words :
soap action field correctly, errors frequently occur, /sap/xi/engine, relevant support package, simple soap adapter, /xi/webservice/soap1, web service document, error situation occurs, external client call, external web client
Related Notes :
1332139 | NW04s Support Package Stack 19 |