Solution : https://service.sap.com/sap/support/notes/619011 (SAP Service marketplace login required)
Key words :
call method cl_gui_frontend_services=> file_save_dialog exporting window_title = default_extension = default_file_name = with_encoding = 'x' file_filter = initial_directory = prompt_on_overwrite = '' changing filename = rt1 path = rt2 fullpath = rt3 user_action = file_encoding = encoding, standard fileopen / saveas dialog boxes solution pre-requisites, with_encoding with_encoding = 'x' implies, fileopen / filesaveas dialog boxes, data encoding type abap_encoding, rt1 type string, rt2 type string, rt3 type string, prompt_on_overwrite prompt_on_overwrite = ' ' implies, prompt_on_overwrite = 'x'
Related Notes :
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| 97621 | OCS Info: Online Correction Support (OCS) |
| 96885 | Downloading front end patches |