What do I do if text messages cannot be sent in a game?

Please follow the below steps:
1. Enter Settings> Apps> See All Apps. Find the app you want and go to App Info> Storage & Cache. Clear the cache to remove data and restart phone (1). Log in to the game before trying again.
2. Try changing to another network or use WiFi.

If you still can't solve the issue, please uninstall the game and re-install.