Unreal editor crashes during build of lighting

Development Rendering
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1

Hi,

We currently are creating an Unreal Tournament map for the MapCore contest ending the 2nd of july.

Our lighting settings and set up is pretty usual:

  • Two directionnal lights set to “Movable” (one main orange-ish light and one blue-ish counter)
    and… That’s it.

I tried to lower the lightmap resolution but could not find a way to make it work…

Regarding props, yes me used a fair amount of them but they are coming from other maps and the startercontent folders.

My specs (all drivers are up to date):

  • Windows 10 - 8GB RAM
  • NVIDIA FeForce GTX 960M / Intel HD Graphics 530
  • Intel Core i7 6700 HQ

Thanks for your help!

2

So the crash was caused by our anti-virus software (avast) which was considering one of the compiling shaders process to be a virus and was corrupting the files as he made unreal editor crash.

We deactivated it and now everything is working fine.

Hope it will help!