[Plugin: DantoTube] Pagenavi gives me a "Page not found" in pagination of tag page

I put a pagination in my tag page but when i click on page 2 or another number, the pagination gives me “page not found”

someone know how to fix this?
link: http://www.programaredes.org.br/tags/agricultura-familiar/

http://wordpress.org/extend/plugins/wordpress/