Fatal error: Uncaught Error: Class "Symfony\Component\Config\Definition\Exception\Exception" not found in /home/mboption/public_html/forums/vendor/symfony/config/Symfony/Component/Config/Definition/Exception/InvalidConfigurationException.php:20 Stack trace: #0 {main} thrown in /home/mboption/public_html/forums/vendor/symfony/config/Symfony/Component/Config/Definition/Exception/InvalidConfigurationException.php on line 20