If you’re having trouble with connecting your game to Facebook, try the following solution:
  1. Make sure you have a stable internet connection.
  2. If you have the Facebook app installed on your device, log out of it (or delete and reinstall it).
  3. Log out of your Facebook account in all browsers installed on your device (Chrome, Opera, Safari, etc.).
  4. Restart your device and connect the game to Facebook again.