Hello, another problem. My map is entirely black now! Lights still work but the brushes don't seem to reflect any light: I've had it happen a couple of times before but solved it in weird ways, like turning stuff into func_detail, and sometimes rebuilding the skybox solved it too. Now pretty much everything that needs to be func_detail is func_detail and rebuilding the skybox doesn't help anymore. Interlopers tells me there are 3 errors; one that's always there, and from what I've read it's a common error: "can't load skybox file skybox/sky_night_01 to build the default cubemap!" And 'warning: node without a volume' and 'found a displacement edge abutting multiple other edges', which apparently can be ignored.