Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\ServiceLocator" not found in /home/johnny/public_html/for.giant-fans.com/vendor/symfony/dependency-injection/Argument/ServiceLocator.php:21 Stack trace: #0 {main} thrown in /home/johnny/public_html/for.giant-fans.com/vendor/symfony/dependency-injection/Argument/ServiceLocator.php on line 21