Fatal error: Uncaught Error: Call to undefined function Symfony\Component\DependencyInjection\LazyProxy\trigger_deprecation() in /var/www/html/festival/vendor/symfony/dependency-injection/LazyProxy/ProxyHelper.php:14 Stack trace: #0 {main} thrown in /var/www/html/festival/vendor/symfony/dependency-injection/LazyProxy/ProxyHelper.php on line 14