Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\AbstractDriverException' not found in /var/www/typo3/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Exception.php:12 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Exception.php on line 12