Repro:
- Go to https://translatewiki.net/w/i.php?title=Special:Translate&filter=!translated&action=translate&language=zh-hans&uselang=en
- Click Translate to 中文(简体) and choose 中文
- Messages can be loaded
- A reload makes it show "Translations to this language in this group have been disabled."
Version: unspecified
Severity: normal