On PS4, the “Dev error 6034” in Modern Warfare inhibits multiplayer.

Original story (from April 10, 2021) follows:

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.

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.

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.

Workarounds for Dev error 6034 on Call of Duty: Modern Warfare

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.

It seems that the error is a result of the 22 GB update not removing the previous files that it was supposed to replace. So a Redditor has shared a step-by-step guide for Xbox and PlayStation users to fix the issue.

Feel free to drop a comment below to let us know if the workaround shared above works for you. We also welcome alternate workarounds in case you’ve found one that works for you.

In the meantime, we’ll keep tabs on the situation and will post an update once new details emerge. So stay tuned to PiunikaWeb. Update 1 (April 11, 2021)

IST 16:00 – Check out the following video which explains how to fix this issue. Many complainants have confirmed the issue got fixed for them after they followed the steps mentioned in this video. So, check it out and share your thoughts (if any) with us in the comments section at the bottom of this page.

Update 2 (April 12, 2021) IST 11:20 – Here’s a user-shared description of what exactly could be causing the dev error (and it makes sense).

Update 3 (April 13, 2021) IST 11:20 – While Dev error 6034 is yet to be officially acknowledged, the developers have removed 2 newly added maps ‘Drainage’ and ‘Al-Raab Airbase,’ stating they need to be refined.

Update 4 (April 14, 2021) IST 10:30 – Another workaround that may help console users is head to Settings> Select Network> Advanced Settings> Select Alternate MAC address> Clear. Following this, the console will reboot and the game should work.

News Summary:

• On PS4, the “Dev error 6034” in Modern Warfare inhibits multiplayer.
• Check all news and articles from the latest Gaming News and updates.