MarsSeed [1] filed a deletion request for mattermosti18n-git [2]: Abandoned, broken package from 2017. Fails to build from source.
Upstream is not maintained since the same year. [a] [a]: https://github.com/rodcorsi/mattermosti18n [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mattermosti18n-git/
