guild lookup no lonkger retursn null, return ErrantGuild

src/engine/objects/City.java

@@ -639,17 +639,17 @@ public class City extends AbstractWorldObject {
     public Guild getGuild() {
 
         if (this.getTOL() == null)
-            return null;
+            return Guild.getErrantGuild();
 
         if (this.isNpc == 1) {
 
             if (this.getTOL().getOwner() == null)
-                return null;
+                return Guild.getErrantGuild();
             return this.getTOL().getOwner().getGuild();
         } else {
 
             if (this.getTOL().getOwner() == null)
-                return null;
+                return Guild.getErrantGuild();
             return this.getTOL().getOwner().getGuild();
         }
     }