Crystal Ball App - Error

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController;
@synthesize predictionLabel;
@synthesize predictionArray;
@synthesize imageView;

    // Release any cached data, images, etc that aren't in use.


- (void)viewDidLoad
{
    [super viewDidLoad];
    //Do any additional setup after loading the view, typically from a nib.

    UIImage *image = [UIImage imageNamed:@"background.png"];
    self.imageView =[[UIImageView alloc] initWithImage:image];
    [self.view insertSubview:self.imageView atIndex:0];


    self.imageView.animationImages = [[NSArray alloc] initWithObjects:
        [UIImage imageNamed: @"cb1.png"],
        [UIImage imageNamed: @"cb2.png"],
        [UIImage imageNamed: @"cb3.png"],
        [UIImage imageNamed: @"cb4.png"],
        [UIImage imageNamed: @"cb5.png"],
        [UIImage imageNamed: @"cb6.png"],
        [UIImage imageNamed: @"cb7.png"],
        [UIImage imageNamed: @"cb8.png"],
        [UIImage imageNamed: @"cb9.png"],
        [UIImage imageNamed: @"cb10.png"],
        [UIImage imageNamed: @"cb11.png"],
        [UIImage imageNamed: @"cb12.png"],
        [UIImage imageNamed: @"cb13.png"],
        [UIImage imageNamed: @"cb14.png"],
        [UIImage imageNamed: @"cb15.png"],
        [UIImage imageNamed: @"cb16.png"],
        [UIImage imageNamed: @"cb17.png"],
        [UIImage imageNamed: @"cb18.png"],
        [UIImage imageNamed: @"cb19.png"],
        [UIImage imageNamed: @"cb20.png"],
        [UIImage imageNamed: @"cb21.png"],
        [UIImage imageNamed: @"cb22.png"],
        [UIImage imageNamed: @"cb23.png"],
        [UIImage imageNamed: @"cb24.png"],
        nil];

    self.imageView.animationDuration = 1.0;
    self.imageView.animationRepeatCount = 1;

    self.predictionArray = [[NSArray alloc] initWithObjects:
                                @"It is certain",
                                @"It is decidedly so",
                                @"All signs say 'Yes'",
                                @"The stars are not aligned",
                                @"My reply is no",
                                @"It is doubtful",
                                @"Better not tell you now",
                                @"Concentrate and ask again",
                                @"Unable to answer now",
                                @"Too soon to tell",
                                @"Maybe",
                                @"It appears likely",
                                @"It is highly probable",
                                @"Maybe if you had better luck",
                                @"Only if you BELIEVE",
                                @"Not in your dreams",   nil];

}

    // Dispose of any resources that can be recreated.

- (void) makePrediction {
    NSUInteger index = arc4random_uniform(self.predictionArray.count);
    self.predictionLabel.text = [self.predictionArray objectAtIndex:(index)];

    [self.imageView startAnimating];
}

- (BOOL) canBecomeFirstResponder {
    return YES;
}

- (void) motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event {
    self.predictionLabel.text = @"";

}
- (void) motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {
    if (motion == UIEventSubtypeMotionShake) {

        [self makePrediction];

    }
}
- (void) motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event {
    NSLog(@"Motion Cancelled");
}

- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    self.predictionLabel.text = @"";

}

- (void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {

   [self makePrediction];
}

@end