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.
I hv the same problem b4.. but after i update the farm heroes apps, it's solved my problem. Try to uodate ur apps. Unfortunately same thing happened to me but when I checked my app store, no updates on Farm Heroes Saga is listed. Lost quite a number of companions and rewards because of this.