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/DumpException.php:21 Stack trace: #0 {main} thrown in /home/mboption/public_html/forums/vendor/symfony/yaml/Symfony/Component/Yaml/Exception/DumpException.php on line 21