Additional option on the structure is not opening.

Hi, I am using the Chromium theme and woocommerce-products-filter and Custom Fields and Custom Post Types Creator plugins. I am trying to edit and add something in the Additional option on the structure of product filter. But this option is not opening.

I didn’t see any js error. I need help. How can I make work it?

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