❔ MVC Error Handling

<customErrors mode="On" defaultRedirect="/Error/Error">
            <error statusCode="404" redirect="/Error/NotFound"/>
            <error statusCode="500" redirect="/Error/ServerError"/>
            <error statusCode="403" redirect="/Error/NotFound"/>
        </customErrors>

[HttpGet]
        public ActionResult Login()
        {
            return new HttpStatusCodeResult(403);