This error can be caused by a number of factors so there’s a long list of troubleshooting steps that you must try to fix it in your console. How to fix COD Modern Warfare II dev error 6036 on PS4?

DEV Error 6036 first arrived in 2019's Modern Warfare. It's shown when the multiplayer map data has not been downloaded correctly.

Warzone 2 Dev Error 11152, Modern Warfare 3 If you're seeing a Dev Error 11152 message, then this means there's a problem with your game files, though it shouldn't be a cause for immediate panic.