Maintenance for the week of November 17:
• [COMPLETE] Xbox: NA and EU megaservers for maintenance – November 19, 4:00AM EST (9:00 UTC) - 12:00PM EST (17:00 UTC)
Thanks! Do you have any addons running? If so, could you try disabling all of them and see if that resolves the issue? Given today is a major update, broken addons are a frequent cause.