So, recently I loaded up Halo, as normal and I go to the main menu and the “Welcome to Reach Spartan” Screen pops up. I click male, and it goes back to the main menu. I see my Rank is now recruit, but when I check the experience bar in the level was at hero, next legend. My armour is all there, I can see everything but I cant equip it. I try to fix it, and I go into a custom for a few minutes and end it. My rank progresses through all of the ranks. I have to watch as the experience bar goes all the way up back to hero. Fun times. I re-equip my armour, and play a few matches in matchmaking, then a friend wants me to help him with legendary campaign. He asks me to load up the level, and when I go to campaign, I can’t load any levels, not even Noble Actual. I tell him he needs to host it, we play through the mission, and now I have all the missions up to that point beaten. I check my achievements. 0G, I’m thinking: What the hell? I check them, and all the ones I’ve earned are there but my xbox thinks I have 0G.
TL;DR: My Gamerscore is gone, I have the achievements still, I was reset but my rank is back but I had to watch the cR bar go up.
Any of you have this problem? How to fix?