Lighting struggles, please help

Hello, I was wanting to know if there’s a way to stop actor lighting from emitting light onto surfaces that are technically outside of view from it, and would like to know how to make actor lighting emit light onto other objects placed within the level. Here’s an example of my lights failing :smiley:
As you can see, the bottom emissive light object projects lighting onto the landscape actor within the level, however it ignores the object obstructing the lighting path around it. How can I make the emissive light actor emit light onto the objects surrounding it? As you can also see, there is another emissive light actor above the selected one, which lights absolutely nothing around it, how can I make it light the surrounding objects?