worldspawn errors and compile reflections problem

[Gagarin]

Well, I'm creating my map and give some worldspawn settings, but my map is black anyway. I hope that was because I cant compile reflections, i have this error. I create reflection_probe in my map , but without result



P.S. What is reflections ???

[Gagarin]

problem with reflections solved. But anyway, my map is full black =((