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Lighting rebuilt causes shader issues

Hello,

I fixed my "Lighting needs to be rebuilt' issue with the "Build Lighting Only" thing. But now, it seems that the shaders have disappeared, or the lights are too strong. I think it has something to do with the shaders. Here's the "Message Log" I get after building the lighting only:

Error Veil_N090212_3ds Object has overlapping UVs.

Info Veil_N090212_3ds Lightmap UV are overlapping by 50.0%. Please adjust content - Enable Error Coloring to visualize.

Error PointLight5 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight11_10 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight2 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight12 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight21 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight42 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight22 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight6 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight41 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight4 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight31 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight36 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight43 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight11 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight16 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight35 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight27 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight40 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight24 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight9_14 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight15 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight20 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight4 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight8 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight37 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight32 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight25 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight28 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight_3 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight17 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight12 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight3 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight7 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight38 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight33 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight26 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight23 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight3 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight29 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight30 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight10 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight18 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight39 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight6 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight13 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight34 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight14 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight_1 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight19 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error SpotLight2_12 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Error PointLight10_2 Severe performance loss: Failed to allocate shadowmap channel for stationary light due to overlap - light will fall back to dynamic shadows!

Here's how it looked like: alt text

And here's how it looks now: alt text

Could someone help me? Thanks!

Product Version: UE 4.8
Tags:
snapshoy2.png (925.1 kB)
snapshot.png (673.5 kB)
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asked Jul 25 '15 at 11:36 PM in Rendering

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Lufilex
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