I´m new to Xcode but I keep on making some small apps to learn. I have run into a problem that only sometimes occurs with the message "Warning: Attempt to dismiss from view controller while a presentation or dismiss is in progress!" and the app then crash.

I have searched around and found some possible answers but no luck for me yet.

My code for back is:

- (IBAction)Back {
UIViewController *back = [[UIViewController alloc] initWithNibName:nil bundle:nil];
[self presentViewController:back animated:NO completion:NULL];

I understand that the problem is that I try to go from one viewcontroller to another before the presentation of the viewcontroller is done.

The strangest thing is that this sometimes isn´t any problem and the app works flawlessly.