I've been getting multiple errors from zonemanager since today's update. Here is an example when a raidable base attempts to spawn in using a zone:
NullReferenceException: Object reference not set to an instance of an object
at Oxide.Plugins.ZoneManager+Zone.CheckLights () [0x00016] in <5bfc2d2d47d849a092462a95e9d7843e>:0
at InvokeHandlerBase`1[T].DoTick () [0x000be] in :0
at InvokeHandlerBase`1[T].LateUpdate () [0x0000c] in :0