Like A Fine Wine Achievement not unlocking

Games Halo: The Master Chief Collection
1

My friend and I have completed the halo 1 laso playlist and the achievement says 100% but it hasn’t unlocked and its been two days. What should I do? My friend unlocked it immediately but I have not.

2

Check out this thread: https://www.halowaypoint.com/en-us/forums/84ad72a8b51847978545f685f651fc15/topics/not-unlocking-cp-achivements-loading-mm-data-fix-d/22e2f973-c4eb-469b-a8b1-3d4a674ec71c/posts?page=1