To generate word search puzzles using words from your friends's profiles, Words About Friends needs to be authorized to connect to your Facebook account.
The first time you see this message, you should tap "OK" in order to authorize the app. We only use this information to generate puzzles.
If you tapped "Don't Allow", you will find yourself in a position where the app has not been authorized and you'll see this message:
To rectify this, open Settings on your device and select Facebook.
Scroll down to find Words About Friends in the list of apps that use Facebook and move the switch to the "on" position.
Now you can open Words About Friends again and start playing the game.