When I build higher level lighting, why my models are turns green?

Development World Creation
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1

When I build higher level lightings, why my models are turns green?

Ive checked the only light resource and any possibilities.

if anyone knows,pls tell me thx

2

Post some screenshots please. Is there any foliage or instanced meshes in the level?

3

18660-screenshot2014-10-23+1.06.18.png
18660-screenshot2014-10-23+1.06.18.png651×581 564 KB

It lights itself, and the problem is not from mats and textures.
Thank you so much!

4

Is that a single mesh or duplicated modular pieces? And is this happening on that mesh only?

5

Is all duplicated models, and the brick wall just made from box brush. And can’t find any resolution on google.

& I just found the green lights only affect this part where should be shadow but it turns green itself instead of dark n shadow.

Thanks for help :slight_smile:

6

1.Delete your sky light.
2.Rebuild lights.
3.Put a new sky light.
It should work