MarsSeed [1] filed a deletion request for navigraph-fms-data-manager- beta [2]:
Abandoned beta package from 2018. As per last comment from 2020, upstream no longer supports GNU/Linux. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/navigraph-fms-data-manager-beta/
