widget shorcode doeas not work – PRO version

Hi there,
I am trying to put search post box into my page with following shorcode displayed under the widget [super-post-search id=”2″] but when I look my page I see this shorcoe as text not as search box, I have place the widget into non active parts for widgets copied the shortcode but it did not work, why?
thanks

https://www.ads-software.com/plugins/super-post/