Fatal error: Uncaught Error: Class "Symfony\Bridge\Doctrine\Middleware\Debug\DebugDataHolder" not found in /var/www/html/vendor/doctrine/doctrine-bundle/Middleware/BacktraceDebugDataHolder.php:15 Stack trace: #0 {main} thrown in /var/www/html/vendor/doctrine/doctrine-bundle/Middleware/BacktraceDebugDataHolder.php on line 15