Fatal error: Uncaught Error: Class "Doctrine\DBAL\Driver\AbstractPostgreSQLDriver" not found in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Database/PDO/PostgresDriver.php:8 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Database/PDO/PostgresDriver.php on line 8