Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Container" not found in /home/cooperativamaism/public_html/staging/vendor/symfony/dependency-injection/ContainerBuilder.php:57 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/symfony/dependency-injection/ContainerBuilder.php on line 57