索引视图中的编译错误

Question

请问如何解决此错误 Compilation error

视图

<td>
    @Html.DisplayFor(modelItem => item.STATE_CODE)
</td>
<td>
    @Html.DisplayFor(modelItem => item.STATE_NAME)
</td>
<td>
    @Html.DisplayFor(modelItem => item.COUNTRIES.COUNTRY_NAME)
</td>

控制器

public ActionResult Index()
{
    var states = db.STATES.Include(s => s.COUNTRIES);
    return View(states.ToList());
}