0x800a01b6 - JavaScript runtime error: Object doesn't support property or method 'accordion'

0x800a01b6 - JavaScript runtime error: Object doesn't support property or method 'accordion'

@Scripts.Render("~/bundles/jquery")

<link href="~/Content/themes/base/accordion.css" rel="stylesheet" />
<script src="~/Scripts/jquery-2.1.4.js"></script>
<script src="~/Scripts/jquery-ui-1.11.4.js"></script>
<script type="text/javascript">
    $(document).ready(function () {
debugger
        $("#divmain").accordion();
         });
</script>