Please see below troubleshooting solutions that can help you. After trying each solution, check to see if it fixed the issue with friends.
1 - Make sure your Internet connection is enabled and you have a stable signal (for example, you are not far from your modem if you are using Wi-Fi).
2 - Make sure the game is connected to Facebook. Check it in the game Settings
3 - Restart your device.
4 - Open the game settings and tap Facebook connected
to log out. Then restart your device, open the game, and log in Facebook
If your friends are still missing, try refreshing your list of friends:
1 – Log out of Facebook in the game. Go to the Settings and tap the Facebook connected button to log out.
2 – Go into your Settings in Facebook app. You can get there by pressing the arrow next to your picture in the upper right corner.
3 – Select Apps.
4 – The first line is apps Logged in with Facebook. Press that.
5 – Select Cradle of Empires.
Please check the following settings:
- Visibility of app is Public
- Public profile is checked
- Friend list is checked
Scroll to the bottom and you will see an option to Remove App. Choose it.
6 – Restart your device.