
If the above trick 1 worked for you, do not follow this one. How to Fix Dev Error 6034 on Xbox One? Trick 1
Survival Pack – required to play Special Ops Survivalĥ. Special Ops Pack 2 – required to play Special Ops. Special Ops Pack – required to play Special Ops. Multiplayer Pack 2 – required to play Multiplayer. Multiplayer Pack (Xbox One only) – required to play Multiplayer. Campaign Pack 2 (Xbox One only) – required to play Campaign. Campaign Pack 1 (Xbox One only) – required to play Campaign. Data Pack 1 – required for access to Campaign, Multiplayer, and Spec Ops. Highlight any content you wish to uninstall. This will allow you to access Multiplayer without any error. Now install the new multiplayer pack (22GB) and the new Spec Ops and Multiplayer combat pack. Also, delete the Warzone Data Pack 1 and Data Pack 2. Uninstall all the older multiplayer data packs, except the first multiplayer pack (6.0 GB). Scroll to the bottom and select Game Installs. When you reach the main menu, select Options. Steps to fix Dev error 6034 in Modern Warfare
The last 22GB Multiplayer Pack was supposed to replace some of the other data previously downloaded, and having both installed is leading to Warzone dev error 6034 on Xbox. This issue can be fixed after removing different packs. How to fix Xbox Dev error 6034 in Modern Warfare? This will uses ’s Scan and Repair option to replace the missing files with working ones.
Open the launcher, then use the Scan and Repair tool.In the install directory, delete the following files.Navigate to the installation folder for Call of Duty Modern Warfare or Warzone on PC.So now when your game is searching for specific maps it’s looking in the wrong place and you eventually gets the dev error 6034. With the previous updates, Activision merged map packs.