Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Driver\AbstractException' not found in E:\xampp\htdocs\www\order\qr251\vendor\doctrine\dbal\src\Driver\PgSQL\Exception\UnknownParameter.php:9 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\order\qr251\vendor\doctrine\dbal\src\Driver\PgSQL\Exception\UnknownParameter.php on line 9