Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\Mysqli\MysqliException' not found in /var/www/typo3/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/Exception/InvalidOption.php:16 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/Exception/InvalidOption.php on line 16