If anyone else has this issue, next time it happens can you please follow these steps and let me know if it works? If these steps work then it might tell us if there’s possibly something wrong with the way the game handles specific issues in rare cases vs it being caused by something outside our control:
- Press the Xbox button to open the guide.
- Select Settings.
- Select Network.
- Select Network Settings
- Select Advanced Settings
- Select Alternate MAC Address
- Select Clear