Pimcore Editable return error: Trying to render the tag "input", but no document was found

I’m using Pimcore v5.7.3

I have added Editable

<?= $this->input("headline") ?>

And it’ll returns me error - Trying to render the tag “input”, but no document was found

In my controller code is -

public function sampleAction(Request $request)
{
return $this->render(":Website:sample.html.php", [“foo” => “bar”]);
}

Anyone have idea why I’m getting this error?

Thanks,
Tharanga.

try it with renderTemplate instead of render