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我正在尝试用数组中的一些数据填充表视图.数组已填充,但是当我运行应用程序时,我收到此错误:原因:' - [__ NSCFArray length]:无法识别的选择器发送到实例

我搜索了类似的问题,但没有人适合我.我不使用lenght函数,我的应用程序崩溃:cell.textLabel.text = [self.currentDate objectAtIndex:indexPath.row];

quizViewController.m

- (void)passDataForward
{
    ScoreViewController *secondViewController = [[UIStoryboard storyboardWithName:@"Storyboard" bundle:[NSBundle mainBundle]]instantiateViewControllerWithIdentifier:@"score"];

    secondViewController.data =self.scoreLabel.text;
    secondViewController.delegate = self;

    NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
    [highScores insertObject:self.scoreLabel.text atIndex:highScores.count];

    NSData *currentDate =[NSDate date];
    NSDateFormatter *dateFormatter=[[NSDateFormatter alloc]init];
    [dateFormatter setDateFormat:@"dd.MM.YYYY                        HH:mm:ss"];
    NSString *dateString =[dateFormatter stringFromDate:currentDate];

    [data insertObject:dateString atIndex:data.count];



    NSMutableArray *scorearray = [[NSMutableArray alloc] initWithArray:[[NSUserDefaults standardUserDefaults] arrayForKey:@"high_scoresarray"]];

     NSMutableArray *dataArray = [[NSMutableArray alloc] initWithArray:[[NSUserDefaults standardUserDefaults] arrayForKey:@"data_score"]];

    [scorearray addObject:highScores];
    [dataArray addObject:data];

    [[NSUserDefaults standardUserDefaults] setObject:scorearray forKey:@"high_scoresarray"];
    [[NSUserDefaults standardUserDefaults] setObject:dataArray forKey:@"data_score"];


    secondViewController.test=[NSMutableArray …