sidebar missing on cart

@emgraphics: Go to => Appearance => Customize => Additional CSS and add the following CSS Code.

.woocommerce .widget-area {
    display:block !important;
  }

Let me know if this works out!
Also for swift replies, post your issues and queries on our official theme support forum. https://catchthemes.com/support-forum/forum/chicago-free/

Kind Regards,
Skandha