if (is == null || is.getTypeId() == 0) {
throw new MissingOrIncorrectArgumentException (Term.ITEM_MISSING.get());
}
// if the id already exists, the ShopHandler will set a new one
DisplayShop shop = new DisplayShop(UUID.randomUUID(), player.getName(), null, is.clone());
shop.setAmount (0);
shop.setPrice (0);
scs.addTodo(player, new Todo(player, Type.CREATE, shop, 0, null));