Fatal error: Uncaught Error: Interface 'Doctrine\DBAL\Driver\Connection' not found in /home/kingelearn/public_html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:21 Stack trace: #0 {main} thrown in /home/kingelearn/public_html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php on line 21