Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/ldt/public_html/canvas/udoit/vendor/twig/extra-bundle/DependencyInjection/TwigExtraExtension.php:24 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/twig/extra-bundle/DependencyInjection/TwigExtraExtension.php on line 24