MarsSeed [1] filed a deletion request for chronoengine [2]: Defunct, unused, abandoned, 0 pkgstats. Dependency AUR/oce is an EOL fork of opencascade and is unbuildable on Arch Linux since 2022.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/chronoengine/
