How to fix Unreal Engine 5.1.1 crash (Assertion failed)

If you have recently updated your Unreal Engine version and tried to load into your project, then you might get an Unreal Engine 5 crash, and you cannot continue working on your game.

If you have the error code called “Assertion failed: Resource->bProduced”, you might be able to fix your problem fast to get UE5 running again.

First look if you have the add-on Ultra Dynamic Sky in your project. If you do, update the product to the latest version and launch your project. That might have already fixed your problem.

If you are still stuck, try to find the “DefaultEngine.ini” file in your UE5 folder and “r.AntiAliasingMethod=3” inside of it. Now try restarting your project.