tableview dont update with retrieved messages

//  InboxTableViewController.m
//  Ribbit
//
//  Created by BLANCO on 15-04-14.
//  Copyright (c) 2014 KIWS. All rights reserved.
//

#import "InboxTableViewController.h"
#import <Parse/Parse.h>

@interface InboxTableViewController ()

@end

@implementation InboxTableViewController



- (void)viewDidLoad
{
    [super viewDidLoad];

    PFUser *currentUser = [PFUser currentUser];
    if (currentUser) {
        NSLog(@"Current user: %@", currentUser.username);
    }

    else {

    [self performSegueWithIdentifier:@"showLogin" sender:self];
    };

}


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

    PFQuery *query = [PFQuery queryWithClassName:@"Messages"];
    [query whereKey:@"RecipientIDs" equalTo:[[PFUser currentUser]objectId]];
    [query orderByDescending:@"createdAt"];
    [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {

        if (error) {
            NSLog(@"Error: %@ %@", error, [error userInfo]);
        }

        else {
            // we found messages
            self.messages = objects;
            [self.tableView reloadData];
            NSLog(@"Retrieved %d messages", [self.messages count]);
        }
    }];
}


#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.messages count];
}


#pragma mark - Table view



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


    PFObject *message = [self.messages objectAtIndex:indexPath.row];
    cell.textLabel.text = [message objectForKey:@"senderNamer"];

    return cell;
}


#pragma mark - Table view delegate

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




#pragma mark - Helper methods
- (IBAction)logout:(id)sender {

    [PFUser logOut];
    [self performSegueWithIdentifier:@"showLogin"  sender:sender];
}



@end```

''''
here header file. i think here is some issue, there is no tableView,

```//
//  InboxTableViewController.h
//  Ribbit
//
//  Created by BLANCO on 15-04-14.
//  Copyright (c) 2014 KIWS. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface InboxTableViewController : UITableViewController

@property (nonatomic, strong) NSArray *messages;

- (IBAction)logout:(id)sender;

@end```