Hey Luca,
Thanks for keeping in touch with us.
In this case, could you first try updating the theme to the latest version and see whether the issue is resolved. You may use the automatic updates method indicated within the guide here: https://xstore.helpscoutdocs.com/article/63-theme-update
Once you are done with the update, please clear your site cache.
Let us know how it goes.
Kind Regards,
John