在Facebook墙上发布照片时出错

Question

你好我在目标c中实现了facebook graph api并得到了这样的错误

dictionary , {
    error =     {
        code = 190;
        message = "Malformed access token AAAGKSrZBYyhABALuirFQZAdHsWE5hqMvr8f7RoVqPSW7Rvtkh1T98gBcT93C5htSLt8XM8WvTF8JRZBI6HnjkEZAlLhc9EgQEecFZC5jHwQZDZD&expires_in=5159421";
        type = OAuthException;
    };
}
2013-01-10 20:33:06.665 FBFun[3325:11303] Photo id is: (null)
2013-01-10 20:33:20.448 FBFun[3325:11303] Got Facebook Photo: {"error":{"message":"(#803) Some of the aliases you requested do not exist: (null)","type":"OAuthException","code":803}}

每件工作文件我可以从Facebook获取我的所有个人资料信息但不能在Facebook墙上发布照片我也从这个网站实现了这些教程 http://www.raywenderlich.com/1626/how-to-post-to-a-users-wall-upload-photos-and-add-a-like-button-from-your-iphone-app 请告诉我你是否知道如何发布照片