Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /var/www/html/vendor/symfony/doctrine-bridge/DependencyInjection/AbstractDoctrineExtension.php:26 Stack trace: #0 {main} thrown in /var/www/html/vendor/symfony/doctrine-bridge/DependencyInjection/AbstractDoctrineExtension.php on line 26