Gnome doesn't start, no gdm.service, broken software databases

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3

I booted with another kernel and am now on 6.1.22-1-MANJARO. It doesn’t solve the problem.

sudo pacman -S gdm systemctl restart gdm                         ✔ 
[sudo] password for personne: 
error: GPGME error: No data
error: GPGME error: No data
error: GPGME error: No data
error: GPGME error: No data
error: database 'core' is not valid (invalid or corrupted database (PGP signature))
error: database 'extra' is not valid (invalid or corrupted database (PGP signature))
error: database 'community' is not valid (invalid or corrupted database (PGP signature))
error: database 'multilib' is not valid (invalid or corrupted database (PGP signature))