facebook - 動画を Facebook にアップロードするエラー 2

Question

iPhone アプリで撮影した動画を Facebook にアップロードしようとしています。

アプリの .plist に追加しました

FacebookAppId、FacebookDisplayName、URLSchemes と私は自分のアプリを Facebook 開発者に登録しました。

iPhone の設定で、私のアプリは Facebook アカウントの使用を許可されています

次に、ユーザーがビデオにタイトルを付けて説明を付け、ボタンをタップして Facebook にアップロードできるようにします。

 - (void)buttonRequestClickHandler:(id)sender {

        if (FBSession.activeSession.isOpen) {
  //this is the path to the video          
            NSString *audioName = [pictureDictionary4 objectForKey:@"photoVideokey"];
            NSArray *pathsa = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
            NSString *documentsDirectorya = [pathsa objectAtIndex:0];
            NSString *moviePath = [documentsDirectorya stringByAppendingPathComponent:@"/Movie"];
            NSString *fullPatha = [moviePath stringByAppendingPathComponent:audioName];

NSURL *pathURL = [[NSURL alloc]initFileURLWithPath:fullPatha isDirectory:NO];
            NSData *videoData = [NSData dataWithContentsOfFile:fullPatha];

//these are the title and description of the video
NSString *titleString = self.videotitle.text;
            NSString *descripString = self.descrp.text;

            NSDictionary *videoObject = @{
                                          @"title":titleString,
                                          @"description": descripString,
                                          [pathURL absoluteString]: videoData
                                          };
            FBRequest *uploadRequest = [FBRequest requestWithGraphPath:@"me/videos"
                                                            parameters:videoObject
                                                            HTTPMethod:@"POST"];

           [uploadRequest startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
                if (!error)
                    NSLog(@"Done: %@", result);
                else
                    NSLog(@"Error: %@", error.localizedDescription);}];
        }

ここでエラー The operation could not be completed.(com.facebook.sdk error 2.) が発生するので、明らかに appDelegate からセッションを取得しておらず、ここにもログインしていません。

 else {
permissions = [NSMutableArray arrayWithObjects:@"publish_actions",@"publish_streams",nil];

  [FBSession openActiveSessionWithPublishPermissions:permissions
  defaultAudience:FBSessionDefaultAudienceOnlyMe
  allowLoginUI:YES
  completionHandler:^(FBSession *session,
  FBSessionState status,
  NSError *error) {
  // if login fails for any reason, we alert THIS IS THE ERROR I GET
  if (error) {
  UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
    message:error.localizedDescription
    delegate:nil
    cancelButtonTitle:@"OK"
    otherButtonTitles:nil];
    [alert show];




    // if otherwise we check to see if the session is open, an alternative to
    // to the FB_ISSESSIONOPENWITHSTATE helper-macro would be to check the isOpen
    // property of the session object; the macros are useful, however, for more
    // detailed state checking for FBSession objects
    } else if (FB_ISSESSIONOPENWITHSTATE(status)) {
    // send our requests if we successfully logged in

    NSString *audioName = [pictureDictionary4 objectForKey:@"photoVideokey"];
    NSArray *pathsa = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectorya = [pathsa objectAtIndex:0];
    NSString *moviePath = [documentsDirectorya stringByAppendingPathComponent:@"/Movie"];
    NSString *fullPatha = [moviePath stringByAppendingPathComponent:audioName];

    NSString *titleString = self.videotitle.text;
    NSString *descripString = self.descrp.text;

    NSURL *pathURL = [[NSURL alloc]initFileURLWithPath:fullPatha isDirectory:NO];
    NSData *videoData = [NSData dataWithContentsOfFile:fullPatha];

    NSDictionary *videoObject = @{
                                   @"title":titleString,
                                   @"description": descripString,
                                   [pathURL absoluteString]: videoData};
    FBRequest *uploadRequest = [FBRequest requestWithGraphPath:@"me/videos"
                                                                 parameters:videoObject
                                                                 HTTPMethod:@"POST"];
    [uploadRequest startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
                      if (!error)
                      NSLog(@"Done: %@", result);
      else
                      NSLog(@"Error: %@", error.localizedDescription);}];
                                              }}];
        }}

セッションへのログインで私が何か間違ったことをした場所を誰でも見ることができますか?

これについて誰か助けていただければ幸いです。