Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Compiler\AbstractRecursivePass" not found in /var/www/html/festival/vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php:26 Stack trace: #0 {main} thrown in /var/www/html/festival/vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php on line 26