Looks like you are not connected correctly to Facebook please try the following step to correct this:
- Close the game and background process
- Go to your device settings
- Tap on the Facebook App
- Choose "your name"
- Delete account
- Remove from Facebook Info
- Then create your account again
- Reload Dragon Land game
- Log in to Facebook inside the game.
Of course, if the above doesn't work please contact us via support.