Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\IBMDB2\DB2Exception' not found in /var/www/typo3/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php:14 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php on line 14