Fatal error: Uncaught Error: Class "MongoDB\Driver\Manager" not found in /var/www/html/vendor/mongodb/mongodb/src/Client.php:103 Stack trace: #0 /var/www/html/index.php(5): MongoDB\Client->__construct('mongodb+srv://m...') #1 {main} thrown in /var/www/html/vendor/mongodb/mongodb/src/Client.php on line 103