Solution : https://service.sap.com/sap/support/notes/542933 (SAP Service marketplace login required)
Key words :
creating bex open/save dialog, creating ms scripting filesystemobject, bex front end, web application designer, ' --> register file wdbcbexc, ' --> register file wdbfodlg, ' --> register file scrrun, initializing global object, trace file, create object
Related Notes :
| 542918 | Web Application Designer Trace File |
| 197460 | BW Frontend Checktool sapbexc.xla |