Numerous Xbox One and PC gamers reported CODMW dev error 6034. Various reasons may cause COD Modern Warfare dev error 6034. The most common sense is corrupted or unreadable game data.
What is DevError 634 Xbox?
This error is caused by corrupted Call of Duty Modern Warfare (Warzone) game data.
Dev error 6034: Why am I still getting it?
Activision merged maps packs in the latest updates. This means that if your game searches for specific maps, it may look in the wrong location, and you eventually get the dev error 6034.
How to fix Dev Error 634
Navigate to Warzone or Modern Warfare on Call of Duty.
The following files should be deleted from the installation directory. This will erase the corrupted file.
Modern Warfare Launcher.
The Battle.net launcher should be opened. Next, use the Scan and Repair tool. This will use Battle.net’s Scan and Repair feature to replace any files that are not working with the correct ones.
How can I fix Xbox Dev error 634 in Modern Warfare?
This problem can be resolved by uninstalling different packs. Warzone dev error 6034 occurs when you have downloaded the 22GB Multiplayer Pack and the previous data.
Here are some steps to correct the Dev error 6034 in Modern Warfare
Modern Warfare: Launch Call of Duty
Once you have reached the main menu, click on Options.
Navigate to the General tab.
Scroll down to the bottom, and click on Game Installs.
Destroy all older multiplayer data packs except the first (6.0 GB). Also, delete Warzone Data Pack 1 (and Data Pack 2)
Install the multiplayer pack (22GB) and the Multiplayer combat pack.
This will allow the Multiplayer to be accessed without error.
You can highlight any content you would like to delete.
Data Pack 1 – Required to access Campaign, Multiplayer, Spec Ops
Campaign Pack 1 (Xbox One only). – Required to play Campaign
Campaign Pack 2 (Xbox One only), required to play Campaign
Multiplayer Pack (Xbox One only). Required to play Multiplayer
Multiplayer Pack 2 – Required to play Multiplayer
Special Ops pack – Required to play Special Ops
Special Ops Pack 2, required to play Special Ops
A Survival Pack is required to play Special Ops Survival.
5. Select Uninstall, then select Confirm.
Warzone Dev Error 6034 in Multiplayer
Many players are receiving Warzone error code 634 on Xbox One. It states, “you’ve been disconnected from the call-of-duty servers.” Call of Duty dev error 6034 on Warzone could be triggered for many reasons. The most common cause is a network connection.
Some players also experience dev errors 6034 ww_code_pre_gfx.ff and 6034 on their PCs. The following Warzone error 6034 has been reported.
goldflake error warzone
rembrandt error warzone
ww_mp_ hideout in ff
dev error 6034 ww_mp_m_speed ff
How to fix Dev Error 634 in Warzone
This will make your router DNS changes easier.
More fixes for dev errors 6034, 6035, 6036 and 5573
Restart your console:
Please turn off the console and then switch it back on.
Keep your game software up-to-date.
Go to the PlayStation Home Screen.
Highlight the game and hit the Options button on your controller.
Choose “Check For Update” to download any updates.
Clear your cache from the PS4:
Hold down the PlayStation button on the controller.
Select “Turn Off PS4”.
Wait for the PlayStation 4 to power down completely.
Restart the system.
Use the Guide button to control your controller. Next, navigate to Settings and choose Restart console. When asked, select Restart.
Future Warzone and COD Modern Warfare updates will correct dev error 6034 on Xbox One and Xbox Series X.