Fatal error: Uncaught Error: Class "Doctrine\DBAL\DBALException" not found in /home/keshavvps/public_html/keshav/KG2/OJA-Web-main/vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/DriverException.php:13 Stack trace: #0 {main} thrown in /home/keshavvps/public_html/keshav/KG2/OJA-Web-main/vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/DriverException.php on line 13