Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\AbstractDB2Driver' not found in /home/app/htdocs/message_gateway/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOIbm/Driver.php:14 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOIbm/Driver.php on line 14