No shadowmap generated? what is this?

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Querti Riverjoy

FNG / Fresh Meat
Apr 23, 2019
It wasn't popping up from first light build, but someday I tried light build again and result showed me below errors(image).

I never heard a word 'shadowmap' until now, it gives me no idea what to do. all I can find out is it was all weapons that message were kept pointing on. scar, aa12, p90, m99 and other guns.

They are all static meshes, just decoration and nothing else. result says those guns have no lightmap UV and I don't know what even UV is. oh there are so much things I need to know.

Can I ignore such errors since I don't need guns to cast shadows?
how do I fix that error?


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