ERROR: Cannot generate an iso with manjaro-tools

[talesam]

(33/33) checking keys in keyring                                                               [########################################################] 100%
(33/33) checking package integrity                                                             [########################################################] 100%
error: lrzip: signature from "Filipe Laíns (FFY00) <lains@archlinux.org>" is unknown trust
:: File /var/cache/pacman/pkg/lrzip-0.641-1-x86_64.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n] 
error: failed to commit transaction (invalid or corrupted package)
Errors occurred, no packages were upgraded.
==> ERROR: Failed to install packages to new root
umount: /var/lib/manjaro-tools/buildiso/biglinux/x86_64/livefs/dev: target is busy.
==> ERROR: Failed to install all packages
==> ERROR: A failure occurred in make_image_live().
    Aborting...
 --> overlayfs umount: [/var/lib/manjaro-tools/buildiso/biglinux/x86_64/livefs]
 --> umount overlayfs: [/var/lib/manjaro-tools/buildiso/biglinux/x86_64/livefs]

Can someone help me?

[Yochanan]

You’ll need the latest archlinux-keyring package which is 20220424-1. It’s available in all branches now, however you may need to refresh your mirrors as I just pushed it to the stable branch just over an hour ago.