Error while upgrading

[abhinay kumar]

i am facing an error every time whenever i try to upgrade..
 this is the error which is showing whenever i am trying
to update my fedora.......
""could not do simulate: gnome-python2-libegg-2.25.3-29.fc13.i686 requires
gnome-python2-extras = 2.25.3-29.fc13
gnome-python2-gtkhtml2-2.25.3-29.fc13.i686 requires gnome-python2-extras =
2.25.3-29.fc13 : Success - empty transaction""
please help me i want to upgrade my fedora 13 to fedora 16...
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