Fatal error: Uncaught Error: Class "Doctrine\DBAL\ConnectionException" not found in C:\xampp\htdocs\astra-backoffice\vendor\doctrine\dbal\src\Exception\SavepointsNotSupported.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\doctrine\dbal\src\Exception\SavepointsNotSupported.php on line 10