Fatal error: Uncaught Error: Class "Symfony\Component\Notifier\Channel\AbstractChannel" not found in /home/projetwewv/www/licence00/monapp/vendor/symfony/notifier/Channel/PushChannel.php:22 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/monapp/vendor/symfony/notifier/Channel/PushChannel.php on line 22