This plugin is not working for me

I installed this plugin and custom fields shortcode, but none is working as you can see here: https://webmastersmarket.net/2017-10-28%20(2).png in the sidebar. The following screenshots show that both plugins are installed and activated: https://webmastersmarket.net/2017-10-28.png and https://webmastersmarket.net/2017-10-28%20(1).png

The page I need help with: [log in to see the link]