Console flooding, found this in serverlog.log
NullReferenceException: Object reference not set to an instance of an object at Oxide.Plugins.ZoneManager+Zone.CheckLights () [0x00016] in <26ca568253b64e558209ceb92b510c3a>:0 at InvokeHandlerBase`1[T].DoTick () [0x000be] in <9c5ace43d53e4faf812d32fcbdfa0e6a>:0 at InvokeHandlerBase`1[T].LateUpdate () [0x0000c] in <9c5ace43d53e4faf812d32fcbdfa0e6a>:0 (Filename: <26ca568253b64e558209ceb92b510c3a> Line: 0) NullReferenceException: Object reference not set to an instance of an object at Oxide.Plugins.ZoneManager+Zone.CheckLights () [0x00016] in <26ca568253b64e558209ceb92b510c3a>:0 at InvokeHandlerBase`1[T].DoTick () [0x000be] in <9c5ace43d53e4faf812d32fcbdfa0e6a>:0 at InvokeHandlerBase`1[T].LateUpdate () [0x0000c] in <9c5ace43d53e4faf812d32fcbdfa0e6a>:0 (Filename: <26ca568253b64e558209ceb92b510c3a> Line: 0)