Fatal error: Uncaught Error: Class "Doctrine\DBAL\Query\QueryException" not found in C:\xampp\htdocs\laravel-project111\vendor\doctrine\dbal\src\Query\Exception\UnknownAlias.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laravel-project111\vendor\doctrine\dbal\src\Query\Exception\UnknownAlias.php on line 12