Force close when set "presentViewController:[Crop View Controller] animated:NO"

[congngus]

When present crop view controller with animated option "NO" sample code crash when touch PECropView.

PECropViewController *controller = [[PECropViewController alloc] init];
controller.delegate = self;
controller.image = selectedImage;
controller.cropAspectRatio = self.view.frame.size.width / self.view.frame.size.height;
controller.keepingCropAspectRatio = YES;
[controller setRotationEnabled:NO];

UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:controller];
[self presentViewController:navigationController animated:NO completion:nil];