Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Resource\SelfCheckingResourceInterface" not found in /var/www/html/demo.ininli.ca/releases/16/vendor/symfony/config/Resource/FileResource.php:23 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/16/vendor/symfony/config/Resource/FileResource.php on line 23