MarsSeed [1] filed a deletion request for hyprland-nvidia [2]: Duplicate of extra/hyprland. [a]
If there is an issue with that on NVIDIA, please file an Arch bug report, as per AUR submission guidelines, but don't duplicate repo packages just to resolve such. [a]: https://archlinux.org/packages/extra/x86_64/hyprland/ [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/hyprland-nvidia/
