thisischrys [1] filed a deletion request for forge-server-1.5.2 [2]: Some libraries no longer available upstream and they do not plan to fix this https://forums.minecraftforge.net/topic/65437-these-libraries-failed- to-download/?tab=comments#comment-311429 [1] https://aur.archlinux.org/account/thisischrys/ [2] https://aur.archlinux.org/pkgbase/forge-server-1.5.2/