Only one change to prevented from crash let alert = UIAlertController(title: "Image Selection", message: "From where you want to pick this image?", preferredStyle: .actionSheet) only change preferred style as alert instead actionSheet let alert = UIAlertController(title: "Image Selection", message: "From where you want to pick this image?", preferredStyle: .alert)

Run the following commands from the project directory terminal : % pod deintegrate % pod install Clean build