halo 4 crimson map pack not working?

i bought the halo 4 crimson map pack for 800 msp and when i go on halo it says download war games map pass and i dont even have that bought and when i go to play crimson dlc online it says i need the required content but i bought the map pack and downloaded it and everything someone help cause i cant get it to work and i already called xbox support they said to come to here.