Light overlap causing performance issues

Development Rendering
1

So Im creating an underground maze game thing, and Im trying to light it with point lights. When i build the lighting i get these errors.

ugh....PNG
ugh....PNG994×596 139 KB

since I am very new to unreal i have a few questions,
Are all these really effecting the performance as much as it says?
Is there an easy way to fix this?
What would be a better method of lighting the maze?

also as a side note, the program crashed and when I restarted it my play button had a cog behind it and doesn’t let me test the game at all.

2

Your lights need to be positioned so that only 4 lights affect a surface at a time, that means you have too many lights close together. You can alternately avoid the issue by changing your lights to Static instead of Stationary.

3

https://docs.unrealengine.com/latest/INT/Engine/Rendering/LightingAndShadows/LightMobility/StationaryLights/index.html