downloading latest match making data

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Anyone know why i still cant play halo mcc online? I put up a post yesterday but had no help, iv had the game for 2 days and im still unable to play the game online. Everytime i press the button to find a match i get this message saying “downloading the latest matchmaking data please wait” i have sat though that sceen for an hour to see if it will work iv tried resetting the game but it seems that this message is stopping me from playing and i dont know why. I saw on this form that some people are having this issu to but others can still play the game online but having some match making issus here and there. Does anyone know how i can get passed this message so i can play online or is there an issu 343 have adressed to slove these problems as i havent seen a lot of people state this problem.