What is wrong with my halo 3 game? It said I need all the maps?

[~Lil Spaz~ 2.0]

I downloaded all the map packs and maps for halo 3. I checked like 5 times to be sure I downloaded them all. I did.

I wanted to play this one game but it won't let me. What is wrong? How many many maps are avalible to download?


Also what are the ranks?

 

[MidgetsRKool]

Heroic Maps - Free
Legendary Maps - 600 MS Points
Mythic Maps - 800 MS Points

try turning off your xbox then turning it back on.
as for ranks, idk