viperbar

i hope someone can help me with this,i am faily inexperienced and i have spent 4 hrs today trying to sort this today to no avail.when i try to subscribe on the viperbar i get this message “The feed does not have subscriptions by email enabled” i have enabled email in my feedburner notifications and i have an rss feedburner subscribe box on one page and that works fine,but not on the viperbar,please help 🙁

http://www.blackstarimages.com