How to activate the Comparison function

Hello

I'm completing the configuration of a site with OS-Property (still the site is not in production).

The "comparison" function, although enabled, does not seem to work:

When I do a search, the "Add to compare list" button appears on each result ... if I click the button it changes the text to "Remove from compare list", but I can not find the button to press to get the result of the comparison.

I thought about some plugins or modules to enable, but it does not seem to be due to that.

I'm using Joomla! 3.8.11
Helix Ultimate template


Where am I wrong? Or what should I set to get the button to get the results of the comparison list?

Thank you in advance for the answers

Hi Daniele,
Could you please submit ticket and send your site url with super admin account. I will check the issue for you.
Thanks
Dam

Hi, Ticket open ... and I also added a second problem.

Thank you

Answered through Ticket system
Thanks
Dam