Fatal error: Uncaught Error: Interface 'Symfony\Component\Notifier\NotifierInterface' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/notifier/Notifier.php:27 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/notifier/Notifier.php on line 27