We're excited to announce that we've fully migrated the Xbox Forums to their new home, here on the Microsoft Community forums!
As of today, going to forums.xbox.com will redirect you here to the Xbox area of the Community forums. We've moved all of your existing threads over so you can continue and start conversations with the new forums experience.
We sincerely appreciate the feedback you have provided over this transition and can't wait for you to check out the new Xbox Forums!
i had the same problem with mine. the only way i found how to fix this was to go to a different campaign save. your original save may have an error in it that effects the online and campaign internet. rockstar made a patch for it but it failed to fix