Solution : https://service.sap.com/sap/support/notes/423184 (SAP Service marketplace login required)
Key words :
< system id>clnt<client>, restricted character set consists, error message appears telling, numeric logical system names, assign alphanumeric names, subsequent internal processing, relevant rfc destinations, function module scp_chars_are_syntactical, released support packages, restricted character set
Related Notes :
| 1140770 | FAQ: F4-Help Cost Assignment |
| 872533 | FAQ: Middleware |
| 606757 | Naming conventions for logical systems |
| 562356 | Message TR017 when creating the source system |
| 562350 | Message TK103 when saving source system-dependent objects |
| 325525 | Copying and renaming systems in a BW environment |