Did you get a Connect to Network error? If so, try the following:
- If you are connected to Wi-Fi, try disconnecting, waiting a few minutes, then reconnecting the Wi-Fi from the device. (Also airplane mode if you are on cellular data)
- Ensure you have the most updated version of the game from the App Store.
- Relaunch the game.
- Restart your device.
As a last resort, you can restart your router as we have seen that also fix this issue.
Unless your game is connected to Facebook, we advise against uninstalling the game to resolve this issue.