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

For iOS devices:

1️⃣ Open Facebook Settings (using the mobile app or website version).
2️⃣ Make sure you have allowed the use of Facebook to sign in to third-party sites and applications (Settings-> Apps and Websites-> tap on the Edit button in the Apps, Websites and Games section-> check if the setting is turned on).
3️⃣ For devices with iOS version below 14.0 reset your advertising identifier (go to device Settings -> Privacy -> Advertising -> Reset Advertising Identifier).
4️⃣ For devices with iOS version 14.0 and above, limit tracking requests (go to device Settings->Privacy->Tracking).
5️⃣ Uninstall the Facebook app from your device.
6️⃣ Open your browser -> open your Facebook account page -> log into your account.
7️⃣ Try to reconnect to Facebook in the game settings.

For macOS devices:

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

For Android devices:

1️⃣ Go to device Settings-> Accounts.
2️⃣ Tap Facebook -> Remove.
3️⃣ Open Facebook Settings (using the mobile app or website version).
4️⃣ Make sure you have allowed the use of Facebook to sign in to third-party sites and applications (Setting & Privacy-> Settings->Apps and Websites-> tap on the Edit button in the Apps, Websites and Games section-> check if the setting is turned on).
5️⃣ Remove the game from the list of applications on Facebook.
6️⃣ 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.