Edit: I added a second region, moved the spawner to that region, rebuilt, and now it is working. No idea why that fixed it.
Im trying to make my first level. I had no problem following both the official guide and the forum quick start guide and everything builds fine but whenever I load into the level ingame everything is black. I placed a spawn and respawn point and a sun light source but nothing seems to fix it. The ingame map is blank too. Any idea what I could be doing wrong?