Solution : https://service.sap.com/sap/support/notes/112065 (SAP Service marketplace login required)
Key words :
Installed languages, TCP0C, TCP09, customer reserve
Related Notes :
| 1375438 | Globalization Collection Note |
| 1319517 | Unicode Collection Note |
| 964731 | Customer language 'Z1' in the upgrade |
| 892508 | SAPShortcut: language Z1 is now supported |
| 871945 | Fallback Code Page for Zn Languages in Unicode/nonU RFC |
| 790485 | RFC Problem Single Code Page, non-Unicode to Unicode System |
| 664679 | Installing 6.40 kernel in SAP WEB AS 6.10/6.20 |
| 579937 | Additional Language Keys |
| 302063 | Correspondence Language |
| 195490 | Automatic selection of GUI frontend code page |
| 112490 | Classification of language 'Z' ('Z1') |
| 42305 | RSCPINST (I18N configuration tool) |
| 39473 | locale and TCP0C |
| 21701 | E00159 The logon language does not fit... |