Solution : https://service.sap.com/sap/support/notes/528504 (SAP Service marketplace login required)
Key words :
current logon language tcp09 & tcp0c, profile parameter zcsa/installed_languages, approximately 10 million people, lower rows stand, future language key, tcp0c reason, tables tcp09, language key, language spoken, language works
Related Notes :
| 579937 | Additional Language Keys |
| 39473 | locale and TCP0C |