Fatal error: Uncaught Error: Class 'Symfony\Component\Notifier\Transport\RoundRobinTransport' not found in /home/www/cinemaude2021/core-cinemaude/vendor/symfony/notifier/Transport/FailoverTransport.php:23 Stack trace: #0 {main} thrown in /home/www/cinemaude2021/core-cinemaude/vendor/symfony/notifier/Transport/FailoverTransport.php on line 23