Fatal error: Uncaught Error: Class "Symfony\Bridge\Doctrine\ManagerRegistry" not found in /home/ldt/public_html/canvas/udoit/vendor/doctrine/doctrine-bundle/src/Registry.php:20 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/doctrine/doctrine-bundle/src/Registry.php on line 20