Solution : https://service.sap.com/sap/support/notes/1143116 (SAP Service marketplace login required)
Key words :
TR_TPPROFILE_GET_LANG_SETTINGS, language vector, LSM
Related Notes :
| 1319517 | Unicode Collection Note |
SAP Note 1143116 - Special language keys are missing in default language vector
Component : Workbench/Customizing Organizer - Language Transport