Recipients aren't showing up in Ribbit project

#import "CameraViewController.h"
#import <MobileCoreServices/UTCoreTypes.h>

@interface CameraViewController ()

@end

@implementation CameraViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.friendsRelation = [[PFUser currentUser] relationForKey:@"friendsRelation"];
}

- (void) viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];

    PFQuery *query = [self.friendsRelation query];
    [query orderByAscending:@"username"];
    [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
        if (error) {
            NSLog(@"Error %@ %@", error, [error userInfo]);
        }
        else {
            self.friends = objects;
            NSLog(@"%@", self.friends);
            [self.tableView reloadData];
        }
    }];

    self.imagePicker = [[UIImagePickerController alloc]init];
    self.imagePicker.delegate = self;
    self.imagePicker.allowsEditing = NO;
    self.imagePicker.videoMaximumDuration = 10;

    if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
        self.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
    }
    else {
        self.imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    }
    self.imagePicker.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:self.imagePicker.sourceType];

    [self presentViewController:self.imagePicker animated:NO completion:nil];
}


#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    // Return the number of rows in the section.
    return [self.friends count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *cellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];

    PFUser *user = [self.friends objectAtIndex:indexPath.row];
    cell.textLabel.text = user.username;

    return cell;
}

#pragma mark - Table view delegate

- (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{}

#pragma mark - Image Picker Controller Delegate

- (void) imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    [self dismissViewControllerAnimated:NO completion:nil];

    [self.tabBarController setSelectedIndex:0];
}

- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];

    if ([mediaType isEqualToString:(NSString *)kUTTypeImage]) {
        // A photo was taken/selected
        self.image = [info objectForKey:UIImagePickerControllerOriginalImage];
        if (self.imagePicker.sourceType == UIImagePickerControllerSourceTypeCamera) {
            // Now we can save the image!
            UIImageWriteToSavedPhotosAlbum(self.image, nil, nil, nil);
        }
    }
    else {
        // A video was taken/selected
        NSURL *imagePickerURL = [info objectForKey:UIImagePickerControllerMediaURL];
        self.videoFilePath = [imagePickerURL path];
        if (self.imagePicker.sourceType == UIImagePickerControllerSourceTypeCamera) {
            // Now we can save the video!
            if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(self.videoFilePath)){
            UISaveVideoAtPathToSavedPhotosAlbum(self.videoFilePath, nil, nil, nil);
            }
        }
    }

}

@end

#import <UIKit/UIKit.h>
#import <Parse/Parse.h>


@interface CameraViewController : UITableViewController <UIImagePickerControllerDelegate, UINavigationControllerDelegate>

@property (nonatomic, strong) UIImagePickerController *imagePicker;
@property (nonatomic, strong) UIImage *image;
@property (nonatomic, strong) NSString *videoFilePath;
@property (nonatomic, strong) NSArray *friends;
@property (nonatomic, strong) PFRelation *friendsRelation;

@end