Solution : https://service.sap.com/sap/support/notes/330890 (SAP Service marketplace login required)
Key words :
account minimum order quantity, additional key words bapi_salesorder_createfromdat2, attached source code correction, simply press enter, support package sapkh40b38, message type 'w', warning message, sales document, system executes, function module
Related Notes :
426980 | CHECKLISTSD: Create/change texts via BAPIs |
390465 | BAPI SD: Document creation - texts and incompleteness |
339695 | References during creation of texts using BAPI/IDOCS |