today on update I got this message: $ sudo pacman -Syu [...] downloading required keys... :: Import PGP key 2048R/, "Parabola automatic package builder <dev at lists.parabolagnulinux.org>", created: 2014-06-21? [Y/n] n error: required key missing from keyring error: failed to commit transaction (unexpected error) Errors occurred, no packages were upgraded.