How Do I fix Warzone Dev Error 11557 in PC/PS4/PS5/XBOX

1. Reinstall warzone or modern warfare 2 Completely

   Just You have to deleted and re installed Warzone completely without pausing or playing any other games or application during the installation. This method already fixed dev error 11557 in modern warfare 2 too. disabled Texture streaming and PS settings boost mode

2. Disabled Texture streaming

   You can fix any kind of dev errors by disabling Texture streaming Option in game. Texture streaming Option is one of the most common reason behind dev error in ps4.
   settings>graphics>press square for more options. Now you have to click over on-demand texture streaming>set cache size to medium or small

3. Set On Demand Texture streaming to the medium or small

   First of all you have to go on settings>graphics>press square for more options. Now you have to click over on-demand texture streaming>set cache size to medium or small.

4. Change Voice Channel Option

   You have to Change your voice channel option to the Party Only, or if you’re already in Party Only then you have to switch back to the All Lobby. This is how you can fix dev error 11557 in call of duty warzone 2.0.
   

5. Clear Cache PS4 games Files

   If you don’t know how to fix dev error in ps4 then you should clear cache your game files. This is Most Popular thing that you can do at this time. For that follow these steps-
   
   turn off ps4 console
   unplugged the power cable for 60 sec
   again you have to plug in your cable
   Now cache files have been removed.
   
   READ ALSO – How To fix Connection failed :Puget-Altus Error in mw2

6. Scan & Repair game files

   So if you are still having dev error 11557 then it is possible that your game files have been corrupted. So in order to fix it you have to repair it. If you are using battlenet launcher then you can simply click on scan and repair option.
   But If you are steam user then you have to go on properties of warzone 2.0. After that you have to go on local files. Now you have to click on verify integrity of game files. It will take some time and after that you will not get dev error massage again in call of duty.
   
   

7. Delete Hidden Folder of Battlenet

   If you are a battlenet user then only you have to use this method. You have to simply type on system search “Run” and hit the enter button.
   After that you have to type %appdata% and hit the enter button. Now You have to delete Battlenet folder. This is how you can fix dev error 11557 in call of duty game.
   
   It may ask you to sign in again while launching battlenet, So simply sign in and enjoy your game.
   
   

8. Turn OFF crossplay communications.

   So in order to fix dev error in modern warfare 2 you need to Turn OFF crossplay communications. In previous articles we have already discussed about crossplay cons. Crossplay Communication should be off.