problem with sunlight

International Português (Portuguese)
1

I started to use Unreal engine 4. And I have a problem with sunlights at interior scene.
When I use preview the results is like thtat

28426d549c2aa120ca076498d30c6a86771eaef1.jpeg
28426d549c2aa120ca076498d30c6a86771eaef1.jpeg1120×630 96.3 KB

When I Build the scene the problem starts

8b1f5be29560a0c1d3e6353d967ad2cd87d616e8.jpeg
8b1f5be29560a0c1d3e6353d967ad2cd87d616e8.jpeg1600×900 332 KB

I don´t understand this problem.
What could be the problem?

2

Como você esta tratando a luz no seu cenário: Stationary ou movable?