Solution : https://service.sap.com/sap/support/notes/674352 (SAP Service marketplace login required)
Key words :
alphanumeric layout editor appears, graphic layout editor establishes, windows code page set, windows system character set, windows code page, graphic layout editor, graphic layout editorwith, graphic layout editorwhen, current code page, character set unicode
Related Notes :
| 1002845 | Graphic Layout Editor in Unicode systems (II) |
| 932188 | Graph. Layout Editor not under SAP GUI for Windows |
| 837327 | SAP GUI for Windows: Side-effects of "Unicode OFF" |
| 646503 | Graph. layout editor unavailable (error messages) |
| 508854 | SAPGUI: How to use Unicode |