Lighting error message

Performance Warning No importance volume found and the scene is so large that the automatically synthesized volume will not yield good results. Please add a tightly bounding lightmass importance volume to optimize your scene’s quality and lighting build times. How to remove the error ?

Hello,

You’ll need to add a Lightmass Importance Volume to your level to remove the error mesage.

You can find more information about how to accomplish this, and what it does in the documentation I linked below:

Have a great day

What is the significance of this message

It just lets you know that without a Lightmass Importance Volume in your scene, you will experience lower quality as well as increased build times for your lighting. It’s more of a reminder to ensure that you are optimizing your scene as much as possible.