Fatal error: Uncaught Error: Class "Doctrine\DBAL\Exception\ConnectionException" not found in /home/gbc4/public_html/qrme/vendor/doctrine/dbal/src/Exception/ConnectionLost.php:6 Stack trace: #0 {main} thrown in /home/gbc4/public_html/qrme/vendor/doctrine/dbal/src/Exception/ConnectionLost.php on line 6