FabioLolix [1] filed a deletion request for candra-themes-3.18 [2]:
Theme no longer available to download from hosting site, old and duplicate of candra-themes-3.20-1
[1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/candra-themes-3.18/
Request #11935 has been accepted by Eschwartz [1].
aur-requests@lists.archlinux.org