Solution : https://service.sap.com/sap/support/notes/1572394 (SAP Service marketplace login required)
Key words :
data medium exchange engine, ec sales list, relevant preliminary check, report rfasld20, dme format, dump open_dataset_no_authority, terms rfasld20, application server, cx_sy_file_authority reason, report creates
Related Notes :
1063617 | RFASLD20: Dump OPEN_DATASET_NO_AUTHORITY |