This issue can usually be fixed by re-establishing your link to Facebook. You can do this by removing the Subway Surfers app from your Facebook Settings via either the Facebook app or internet browser — PLEASE DO NOT UNINSTALL THE APP.
Note: If you use an Apple device running iOS 10 or older, make sure to allow Facebook to use your account. You can do so in your device's 'Settings' --> 'Facebook'.
How to remove Subway Surfers via the Facebook app:
- Go to 'Settings'
- Open 'Settings & Privacy'
- Tap 'Settings'
- In the 'Security' section, tap 'Apps and Websites'
- Tap 'Logged in with Facebook'
- Select 'Subway Surfers'
- Tap 'Remove' and accept
- If it still doesn't work, try reinstalling the Facebook app
How to remove Subway Surfers via an internet browser:
- Go to 'Settings' on your Facebook account
- Tap 'Apps and Websites'
- Select 'Subway Surfers'
- Tap 'Remove' and accept