The issue has been resolved in the latest version of the Realhomes theme
This is a WPML related issue that can be fixed very easily. All you have to do is to activate the “Adjust IDs for multilingual functionality” option in the Dashboard → WPML → Languages section of WPML settings.
This is also recommended in the documentation of the theme. For any further assistance, you can sign up at our support center and create a new ticket.