Fatal error: Uncaught Error: Class "Symfony\Component\Yaml\Exception\RuntimeException" not found in /home/mboption/public_html/forums/vendor/symfony/yaml/Symfony/Component/Yaml/Exception/ParseException.php:26 Stack trace: #0 {main} thrown in /home/mboption/public_html/forums/vendor/symfony/yaml/Symfony/Component/Yaml/Exception/ParseException.php on line 26