Fatal error: Uncaught Error: Class "Symfony\Component\Config\Definition\Builder\NodeDefinition" not found in /home/johnny/public_html/for.giant-fans.com/vendor/symfony/config/Definition/Builder/ArrayNodeDefinition.php:24 Stack trace: #0 {main} thrown in /home/johnny/public_html/for.giant-fans.com/vendor/symfony/config/Definition/Builder/ArrayNodeDefinition.php on line 24