Must be in a building and in city

src/engine/gameManager/ItemManager.java

@@ -244,6 +244,12 @@ public enum ItemManager {
 
         ItemTemplate template = ItemTemplate.templates.get(workOrder.templateID);
 
+        if (workOrder.vendor.getBuilding() == null)
+            return 58; //58: The formula is beyond the means of this facility
+
+        if (workOrder.vendor.getBuilding().getCity() == null)
+            return 58; //58: The formula is beyond the means of this facility
+
         if (!workOrder.vendor.charItemManager.hasRoomInventory(template.item_wt))
             return 30;  //30: That person cannot carry that item