Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\AbstractException' not found in /home/edmedu/www/mig.edmclass.com/admin.edmclass.com/vendor/doctrine/dbal/src/Driver/IBMDB2/Exception/ConnectionError.php:17 Stack trace: #0 {main} thrown in /home/edmedu/www/mig.edmclass.com/admin.edmclass.com/vendor/doctrine/dbal/src/Driver/IBMDB2/Exception/ConnectionError.php on line 17