Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /home/projetwewv/www/licence00/monapp/vendor/symfony/notifier/DataCollector/NotificationDataCollector.php:23 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/monapp/vendor/symfony/notifier/DataCollector/NotificationDataCollector.php on line 23