Fatal error: Declaration of Symfony\Component\HttpFoundation\Session\Storage\Handler\AbstractSessionHandler::open(string $savePath, string $sessionName): bool must be compatible with SessionHandlerInterface::open($save_path, $session_name) in E:\xampp\htdocs\www\yunwei\qr251\vendor\symfony\http-foundation\Session\Storage\Handler\AbstractSessionHandler.php on line 31