Page not found (error 404)

The page http://vittorianicolo.altervista.org/%25E2%259C%25A9-antonio-tabucchi-un-anno-fa/http%3A%2F%2Fvittorianicolo.altervista.org%2F%25e2%259c%25a9-antonio-tabucchi-un-anno-fa%2F&title=%E2%9C%A9+%3Cspan+style%3D%22color%3A%23ff0000%3B%22%3EAntonio+Tabucchi%2C+un+anno+fa%26%238230%3B%3C%2Fspan%3E was not found on this server.

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http://site.altervista.org/Page.html is different from http://site.altervista.org/page.html