Have you attempted to play MW3 until you wondered what the strange error ‘Join failed because you are on a different version’ meant? If you’re trying to figure out how to fix this issue and why it’s happening‚ we’re here to help. Let’s discuss why you’re getting this error and how to stop it from happening again. MW3: How to fix ‘Join failed because you are on a different version’ error If you’re receiving this error message while trying to play MW3‚ what this ‘Join failed because you are on a different version’ means is that you’re probably on the wrong version of the game. Sometimes when games update‚ most players will see the update right away‚ while others may accidentally boot up MW3 without updating. Screenshot: Activision You’ve either forgotten to make your game automatically update‚ or you’ve somehow missed an update. Fixing this error is quite ea...