Trial Error Fix
Madden NFL 21 trial is only available for users with EA Access. This means that you have to have a valid subscription and a working account.
If your subscription has expired, Madden NFL 21 trial won’t work.
Multiple gamers confirmed that after renewing their EA Access subscription, the game worked as intended, without any errors.
So just go to the official EA Access website, log in to the account with your credentials, and then renew your subscription. After that, try to play Madden NFL 21 on your Xbox One console.