Message sent to deallocated instance?

Something is trying to send messages to the MapViewController after it's been deallocated.

Something is trying to send messages to the MapViewController after it's been deallocated. Are they any objects that reference it - is it the delegate for any of its subviews, or does it receive any notifications, or anything like that? If so, you need to make sure you unsubscribe from any notifications in the controller's dealloc method, and set any delegate parameters (on other objects) that reference the controller to nil.

Thank you so much for this, it really saved my life! And I had a problem with the self. NavigationController.

Delegate that was delegated in multiple viewControllers and never setted to nil, that was driving me insane for days :) thaks a lot! – holographix yesterday.

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