Fatal error: Uncaught Error: Class "Doctrine\DBAL\Driver\Mysqli\MysqliException" not found in /home/robertdr/concrete9.robertdrake.co.uk/updates/concrete-cms-9.4.1-remote-updater/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/Exception/ConnectionFailed.php:19 Stack trace: #0 {main} thrown in /home/robertdr/concrete9.robertdrake.co.uk/updates/concrete-cms-9.4.1-remote-updater/concrete/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/Exception/ConnectionFailed.php on line 19