using transpoh /en/ url path doesn't work

http://smart4fun.com/en/

http://smart4fun.com/af

and go on

i found out i don’t get blank page when i use direct link to content
ex `:http://smart4fun.com/fr/2011/04/12/anonymous-%D9%8A%D9%86%D9%82%D9%84-%D9%87%D8%AC%D9%88%D9%85%D9%87-%D8%B9%D9%84%D9%89-%D8%B3%D9%88%D9%86%D9%8A-%D8%A5%D9%84%D9%89-%D8%A7%D9%84%D9%81%D9%8A%D8%B3%D8%A8%D9%88%D9%83/