Solution : https://service.sap.com/sap/support/notes/1276856 (SAP Service marketplace login required)
Key words :
LXE_MASTER, language key, target language, SE63
basis, digit language, translation environment
Related Notes :
1375438 | Globalization Collection Note |
1295556 | Language keys in translation environment |
1086508 | Choosing language keys in the translation environment |