My Halo Waypoint milestone level reset to 1

Last night I got on Halo Waypoint and saw that my milestone level was at 32. It was 30 before starting Halo 4 and I have about 200 Gamerscore on Halo 4, so 32 sounds about right.

I cleared Spartan Ops Episode 1 on Legendary with some friends last night, so I entered the codes on Waypoint for the Raider armor. After entering those codes, my milestone level was dropped to 29. I figured maybe it’s just a glitch and I just have to wait for it to fix itself.

I signed on a few minutes ago and now I’m at milestone 1. What the hell happened?

I logged in to look at mine and it was showing that I had no achievements at all in Halo Reach and Halo Wars. I then signed in again and it shows my Halo Wars achievements but still no Reach…