Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DataCollector\DataCollector" not found in /var/www/html/booking/vendor/symfony/mailer/DataCollector/MessageDataCollector.php:23 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/symfony/mailer/DataCollector/MessageDataCollector.php on line 23