Warning: Undefined variable $pdo in /var/www/html/deliveryPartner/src/Core/Database.php on line 23

Fatal error: Uncaught TypeError: DeliveryPartner\Core\Database::connect(): Return value must be of type PDO, null returned in /var/www/html/deliveryPartner/src/Core/Database.php:23 Stack trace: #0 /var/www/html/deliveryPartner/src/Model/Authentication.php(14): DeliveryPartner\Core\Database->connect() #1 /var/www/html/deliveryPartner/src/Core/Authenticate.php(23): DeliveryPartner\Model\Authentication->__construct() #2 /var/www/html/deliveryPartner/public/index.php(33): DeliveryPartner\Core\Authenticate->verify_session() #3 {main} thrown in /var/www/html/deliveryPartner/src/Core/Database.php on line 23