Can’t install sudo

[cowboy99]

I am having trouble installing sudo. I did pacman-key —init and pacman-key —populate archlinuxarm and i have ethernet plugged in but there are still errors. Here are the errors:
looking for conflicting packages...
Packages (1) sudo-1.9.15.p5-1
Total Download Size:
1.68 МІВ
Total Installed Size: 8.05 MIB
:: Proceed with installation? [Y/n] y :: Retrieving packages... sudo-1.9.15. p5-1-aarch61
(1/1) checking keys in keyring (1/1) checking package integrity
error: sudo: signature fron "Arch Linux ARM Build Systen <builder@archlinuxarm@gmail.com
1 File /var/cache/pacman/pkg/sudo-1.9.15. p5-1-aarch61.pkg.tar.xz is corrupted
Do you want to delete it? Y/n] y
error: failed to commit transaction (invalid or corrupted package PGP signature)
Errors occurred, no packages were installed