Erus_Iluvatar [1] filed a deletion request for open-xchange-core [2]: Dead source, not updated since 2016, see https://lists.archlinux.org/pipermail/aur- requests/2021-April/051571.html [1] https://aur.archlinux.org/account/Erus_Iluvatar/ [2] https://aur.archlinux.org/pkgbase/open-xchange-core/