Fatal error: Uncaught Error: Class "Doctrine\DBAL\Exception" not found in /home/gbc4/public_html/qrme/vendor/doctrine/dbal/src/Exception/InvalidLockMode.php:10 Stack trace: #0 {main} thrown in /home/gbc4/public_html/qrme/vendor/doctrine/dbal/src/Exception/InvalidLockMode.php on line 10