Ready to start wont start

To add to Bowski's comment, for FIFA specifically all you have access to before the game completes its installation is essentially the demo - an exhibition game where you can play as one of about six teams.

You should just be able to hit the A button and start the game. But if the game isn't finished installing, some of the game may not be accessible. Sometimes it's best to wait for the game to download fully so you can access everything.

Try clearing the cache and then reinstall the game bro.
Put your finger on the start button of the console for 10 seconds until it goes out.
Then wait another 30 and turn it on again.
After trying this, reinstall the game.
It may work for you .

does it give you an error code?

Yes it is a normal thing. The game was at 52% and was only partially downloaded. You will only have partial access to the game until it is fully downloaded.