Ruins or SDR driven by config.

src/engine/gameManager/ZoneManager.java

@@ -103,7 +103,6 @@ public enum ZoneManager {
 
         ZoneManager.zonesByID.put(zoneID, zone);
 
-        if (zone != null)
         ZoneManager.zonesByUUID.put(zone.getObjectUUID(), zone);
 
         ZoneManager.zonesByName.put(zone.getName().toLowerCase(), zone);