[texlive-core] Package PGP signature is not recognized by computer
rror: texlive-core: signature from "Andreas Grapentin <firstname.lastname@example.org>" is unknown trust
:: File /var/cache/pacman/pkg/texlive-core-2020.55416-1.par2-any.pkg.tar.xz is corrupted (invalid or corrupted package (PGP signature)).
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 upgraded.