Why does static lightning is disappear when I'm trying to build it?

Development Rendering
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1

Hello. I have 3 light sources in my scene (stationary sky light, stationary directional light, static point light). When I’m trying to build lightning with that scene

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I’m getting this:
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Seems like my point light is just dissapearing. If I want to return it I should move point light a little or change intensity. Why does it happening? I don’t think it’s problem with lightmaps, because I’m not getting any warnings about it after build.

2

Most likely Lumen is enabled, which disables lightmaps (and by extension, static lights)

3

Nope, lumen is disabled and everything works fine in few other levels.
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