When you tried to play one of the multiplayer mode in Call of Duty Warfare, you probably get an error message that says “DEV ERROR 6036 [ww_mp_farms2_gw.ff], To contact customer service support, go to http://support.activision.com/modernwarfare”. This is a common error for user who just recently upgraded their COD Warzone and purchase the base game of Call of Duty Modern Warfare.
Complete the Update
So what happen and why this error is popping up? The update for the new maps for the multiplayer mode in your Call of Duty Warzone is not yet installed in your PC, you need to complete the update for it to work.
To do this, go back to Battle.net client, then check for update installation to Call of Duty Warzone. If you recently purchase the base game, you need to wait for the installation to complete.
After the update installation is completed, you can now go back to the game and try the Multiplayer mode.
Already installed the Update, still Getting the Error
You might have corrupt installation files in your Call of Duty directory, you need to repair it for it to work.
You can repair the installation file by going to Call of Duty: MW > Options > Scan and Repair.
Disabling Cache Spot and Sun Shadow
Other method is disabling the Cache spot and Sun shadows in the game settings.
To disable it, you just need to open the game. Then go to Options > Graphics > Aforementioned Settings.
Then disable the Cache Spot and Cache Sun Shadows.
If the workaround doesn’t fix the problem, your last resort is to reinstall the game.