Call of Duty: Black Ops 6 is experiencing a frustrating issue preventing players from connecting with friends: the "Join Failed Because You Are on a Different Version" error. Let's troubleshoot this problem.
Solving the Black Ops 6 Version Mismatch Error
The error message indicates your game isn't fully updated. The simplest solution is to return to the main menu and let the game update. However, many players report this doesn't always resolve the problem.
If the error persists after attempting an in-game update, restarting the game is the next step. While this means a short delay, it allows the game to check for and install any pending updates. Ask your friends to wait briefly.
Related: How To Obtain the Dragon's Breath Shotgun Attachment in Black Ops 6 (BO6)
Should the problem remain, there's a workaround: try searching for a match. In my experience, this allowed my friend to join my party after a few attempts. It's not a perfect solution, but it's a viable alternative to abandoning the gaming session.
That's how to tackle the Black Ops 6 "Join Failed Because You Are on a Different Version" error.
Call of Duty: Black Ops 6 and Warzone are currently available on PlayStation, Xbox, and PC.