Plugin not working

I installed the plugin on: http://dev.zugermusikfestival.ch/ but it does not seem to work.

Here is a screen shot of my plugin con: https://www.dropbox.com/s/cto3m7cysklt7a2/Screenshot%202014-11-24%2014.09.20.png?dl=0

https://wordpress.org/plugins/email-encoder-bundle/