Fatal error: Uncaught Error: Class "Symfony\Component\Notifier\Transport\RoundRobinTransport" not found in /home/net1/social.net1.club/vendor/symfony/notifier/Transport/FailoverTransport.php:23 Stack trace: #0 {main} thrown in /home/net1/social.net1.club/vendor/symfony/notifier/Transport/FailoverTransport.php on line 23