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.
Ouch! It all depends through which store you´ve bought them I guess.
I know for instance that they can´t deal themselves with monetary refunds for purchases done through Amazon or Apple. Those go through Amazon and Apple support.