dreieck [1] filed an orphan request for polar-night-theme [2]:
A problem with the PKGBUILD reported in 2017 has not yet been fixed.
[1] https://aur.archlinux.org/account/dreieck/ [2] https://aur.archlinux.org/pkgbase/polar-night-theme/
Request #25060 has been accepted by Foxboron [1].
aur-requests@lists.archlinux.org