SlideDeck 2 Lite not working with WP User Frontend

Hello, first of all, thank you, your slider just do the trick greatly !

I have a problem, I just can’t make it work if WP User Frontend is activated, but I realy need my frontend, what can I do ?

My web site http://www.creoptim.fr/siter

Thanks !

http://wordpress.org/plugins/slidedeck2/