If you not wish for some body hack your main site, please all account info send to contact form !!!
Please download from ours site last version real estate manger and update all files at frontend and at backend - that fixed all errors with language what we now know.
I checked you frontend: www.jorgedesoto.com/casas/index.php/es/
Sorry for me all good, or I see to other side.
At self site for me there are all good. For your site we need FTP access for understand where error
and the realstate manager pluging is not working good, only went you click the image you can see the house but if click in name get error 404, and image dont show
Sorry, what plugin you mean ?