Here’s the crux of the article in video form:
New updates are being added to the bottom of the story…
Original story (from April 10, 2021) follows:
Call of Duty Modern Warfare is easily one of the most popular FPS games and is a reboot of the Modern Warfare sub-series which by itself was a starting point for many gamers.
COD: Modern Warfare is available on Windows, Xbox One, Xbox Series X/S, PlayStation 4, and PlayStation 5. And the multiplayer experience is what keeps players coming back to the game.

But it seems that several Call of Duty: Modern Warfare players on the Xbox and PS4 are unable to play most multiplayer maps as a “Dev error 6034” message pops up.
This error pops up when the system detects unreadable or corrupted game data. It explains why many users were left scratching their heads over the error after they updated the game.
(Source)
Same Issue Here. I have…

