Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\AbstractDriverException' not found in /opt/lampp/htdocs/kuesioner/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/MysqliException.php:10 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/Mysqli/MysqliException.php on line 10