Fatal error: Uncaught Error: Interface "Symfony\Component\Config\FileLocatorInterface" not found in /home/mboption/public_html/forums/vendor/symfony/config/Symfony/Component/Config/FileLocator.php:19 Stack trace: #0 {main} thrown in /home/mboption/public_html/forums/vendor/symfony/config/Symfony/Component/Config/FileLocator.php on line 19