Solution : https://service.sap.com/sap/support/notes/422291 (SAP Service marketplace login required)
Key words :
/general/r3server/abap/note, terms sapscript editor, sap&short_sel reason, ftp server sapservx, symptom f4, initial screen, search results, text retrieval, report variant, empty screen
Related Notes :
| 438813 | RSTXTCAT variant SAP&EXTEND_SEL: blank fields |
| 13719 | Preliminary transports to customers (note for customers) |