Have you modified anything else with this file? I've used it and it isn't behaving unlike the previous files I've used. Essentially the press E to turn on light doesn't work, Have to go into the light properties to turn it on. And the lights don't stay on essentially if you leave the chunk they are in they will all turn off and you have to re-enable them which is annoying. So could you let me know if you've modified anything else with that file?