We're aware of an issue with Facebook purchases for all King Games and our team is on it. 🛠️ Hang tight while we fix things! You can still enjoy the game, and we'll keep you posted once it's solved.
Not to worry that is because there are currently 935 levels on iOS devices and 950 levels on Facebook Keep an eye on level updates here- https://www.facebook.com/candycrushsaga it is always the first place that they are published.