Unreal Engine : Lighting Needs To Be Rebuilt
Unreal Engine keeps prompting you to Build Lighting (Static Lighting).
This video is also relevant if you want to disable static lighting in your game and just have dynamic lighting.
Just Disable Static Lighting. If you want to keep static lighting you need to build the lighting every time you move objects to make the error disappear.
Quick Solutions To Unreal Engine Common Problems In Curated form by Algosyntax.
