Filament v4 upgrade

Hi, I'm getting an error that googling doesn't help with, this running

composer update

composer update

right after running the automatic upgrade script and requiring v4 versions of the plugins and filament:

Object of class BezhanSalleh\FilamentShield\Support\ShieldConfig could not be converted to string

Object of class BezhanSalleh\FilamentShield\Support\ShieldConfig could not be converted to string

Object of class BezhanSalleh\FilamentShield\Support\ShieldConfig could not be converted to string

Object of class BezhanSalleh\FilamentShield\Support\ShieldConfig could not be converted to string