Lighting is broken in The Sims 4

I am trying to make a renovation of Copperdale High School on sims and for some reason the lighting has increasingly broke, this just now started happening and I already took so much time building this school, and I have tried re placing the lot, as well as reopening the game and the lighting is still broken, (this image shows a hallway with NO lights in it at all) I don't know what to do, nothing I do fixes it (unless it is an open room, which I don't want it to be.