Translations export
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Hi, I wish to export made by me last transfers to the Tatar Wikipedia (tt or tt-cyrl), but the program rejects export: "This language code should remain unused. Localise in tt-cyrl please".
Your contributions were indeed in the tt-cyrl subpages, so that's the language code you have to select. Out of curiosity, what are you using the exported file for? Note your translations to MediaWiki will be live on the Tatar Wikipedia this evening (in about 18 hours from now, to be precise).