Please reinstall your game to resolve this issue.
Text for assets such as troops, kingdoms and menu etc are replaced with template text such as "[####_NAME]", "[Guild] [3001_Name]" etc.
Fixing the problem
To resolve this issue ensure you are logged into the Xbox Live account and reinstall Gems of War. Your account progress is tied to the Xbox Live account used to download Gems of War and is linked to our servers, so if you are logged in you will not lose your progress.