Fatal error: Uncaught Error: Class "Symfony\Component\Notifier\Exception\LogicException" not found in /var/www/crm_killing_ninja/vendor/symfony/notifier/Exception/UnsupportedMessageTypeException.php:19 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/symfony/notifier/Exception/UnsupportedMessageTypeException.php on line 19