It could be a NaN artifact. They usually manifest as either dark or bright texels in the lightmap. Check out the following chapter in the troubleshooting guide:
Might also be worth checking your scene for baked emissive materials.
It could be a NaN artifact. They usually manifest as either dark or bright texels in the lightmap. Check out the following chapter in the troubleshooting guide:
Might also be worth checking your scene for baked emissive materials.