[asp.net-mvc-4] The required anti-forgery form field "__RequestVerificationToken" is not present Error in user Registration

In my case it was due to adding requireSSL=true to httpcookies in webconfig which made the AntiForgeryToken stop working. Example:

<system.web>
  <httpCookies httpOnlyCookies="true" requireSSL="true"/>
</system.web>

To make both requireSSL=true and @Html.AntiForgeryToken() work I added this line inside the Application_BeginRequest in Global.asax

    protected void Application_BeginRequest(object sender, EventArgs e)
  {
    AntiForgeryConfig.RequireSsl = HttpContext.Current.Request.IsSecureConnection;
  }