Fatal error: Uncaught Error: Class "Doctrine\DBAL\Exception\ConnectionException" not found in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\dbal\src\Exception\ConnectionLost.php:5 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\dbal\src\Exception\ConnectionLost.php on line 5