maintenance completed

src/engine/gameManager/MaintenanceManager.java

@@ -183,6 +183,7 @@ public enum MaintenanceManager {
             Logger.error("Maintenance Failed To Find City To Destroy");
         for(Building building : city.getParent().zoneBuildingSet){
             building.setRank(-1);
+            DbManager.removeFromCache(building);
         }
         city.getParent().zoneBuildingSet.clear();
     }

src/engine/gameManager/ZergManager.java

@@ -5,6 +5,10 @@ import engine.objects.Guild;
 public class ZergManager {
 
     public static int getBaneCap(Guild guild) {
+
+        if(guild.getOwnedCity() == null || guild.getOwnedCity().getTOL() == null)
+            return 0;
+
         int cityRank = guild.getOwnedCity().getTOL().getRank();
         return (cityRank == 8) ? 20 : ((guild.getNation().getSubGuildList().size() + 1 <= 4) ? 10 : 20);
     }