Campaign Error/ Infinity Glitch?

Games Other Halo
1

Hey guys and girls, I have a problem with the Halo 4 Campaign.
I have completed solo legendary, saw the special cutscene, got the gamerscore… but, my Master Chief armor for War Games/Online wasn’t unlocked.

The challenge list for the campaign playthroughs says I havn’t completed “Infinity”.
So I restarted the mission, completed it solo legendary again, and still it says I havnt completed the mission.

Any help?

2

gah happend to be you must be online for it to work and have to play from the start of the level