[Plugin: ClickTale] Error,

Hi,

i just installed some days ago clik tale plugin and in the home page of my web site there is an error, a little piece of code it show on the page..and i can not fix… any help ?
here the link

http://www.tas-consultoria.com/blog-fr/

it is possible to see it on the left side

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