1. Make sure you have a stable internet connection.
  2. Check to see if your username and password are correct.
  3. If you have the Facebook app installed on your device, log out of it (or delete and reinstall it).
  4. Log out of your Facebook account in all browsers installed on your device (Chrome, Opera, Safari, etc.).
  5. Restart your device and try to connect the game to Facebook again.

For macOS devices:

  1. Open Facebook Settings.
  2. Make sure you have allowed the use of Facebook to sign in to third-party sites and applications (Setting & Privacy-> Settings->Apps and Websites-> click on the Edit button in the Apps, Websites and Games section-> check if the setting is turned on).
  3. Restart your device, enter the game, and try to reconnect it to Facebook.

Please be aware that access to Facebook programs and services can be restricted in certain countries or regions. In such cases, we comply with local laws and regulations.