Fatal error: Uncaught TypeError: Return value of Connect::mysql() must be an instance of PDO, null returned in /var/www/html/libs/connect.lib.php:62 Stack trace: #0 /var/www/html/libs/user.lib.php(7): Connect->mysql() #1 /var/www/html/inc/engine.php(34): User->__construct() #2 /var/www/html/index.php(19): engine::init() #3 {main} thrown in /var/www/html/libs/connect.lib.php on line 62