Facebook 无法发布到应用程序链接主机。权限错误

尝试发布到app_link_主机边缘时，我收到“权限错误”消息。请告诉我我做错了什么？我已经检查了Facebook权限。我确实有发布操作权限，我可以发布到用户的墙没有问题，但无法发布到应用程序链接主机。。。正在尝试设置从共享链接到我的iOS应用程序的反向链接

NSString *fbAccessToken = [[[FBSession activeSession] accessTokenData] accessToken];

NSString *theUrl = [NSString stringWithFormat:@"myscheme://deeplink?playlist_id=%@",[postParams objectForKey:@"playlist_id"]];



NSDictionary *params = [NSDictionary dictionaryWithObjectsAndKeys:
                        @"MY APP NAME", @"name",
                        theUrl, @"al:iphone:url",
                        @"77948767", @"al:iphone:app_store_id",
                        @"MY APP NAME", @"al:iphone:app_name",
                        @"{\"should_fallback\": false}", @"web",
                        fbAccessToken, @"access_token",
                        nil
                        ];

/* make the API call */

[FBRequestConnection startWithGraphPath:@"/233246787764/app_link_hosts"
                             parameters:params
                             HTTPMethod:@"POST"
                      completionHandler:^(
                                          FBRequestConnection *connection,
                                          id result,
                                          NSError *error
                                          ) {
                          /* handle the result */
                          NSLog(@"Result = %@",result);
                          if(error) NSLog(@"error = %@",error);
                      }];