Solution : https://service.sap.com/sap/support/notes/359511 (SAP Service marketplace login required)
Key words :
additional key words frontend code page, 6d patch level 300, command words, code pages, additional filter, data stream, screen display, prerequisites data, invalid bytes, match anymore
Related Notes :
| 315074 | "Error in data stream" if x'09' is sent |
| 202971 | Error in data stream if x'1B', x'1C' is sent |