Ah, ok. See if your OS level and database locales include Spanish.
Also, create a blog post with special characters in the Mezzanine admin to see if it also raises the exception. Perhaps it is an issue only with imported posts.
-- You received this message because you are subscribed to the Google Groups "Mezzanine Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to mezzanine-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
