Fatal error: Uncaught Error: Class "Symfony\Bundle\SecurityBundle\EventListener\FirewallListener" not found in /home/ldt/public_html/canvas/udoit/vendor/symfony/security-bundle/Debug/TraceableFirewallListener.php:26 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/symfony/security-bundle/Debug/TraceableFirewallListener.php on line 26