I am using Sommerce theme that i bought from http://themeforest.net/item/sommerce-shop-a-versatile-ecommerce-theme/542001
The URL of the website is plu.travel and i am trying to use the theme subscriber sign up form with mailchimp. Sommerce developers already had a look at it and they told me to refer with wordpress quoting them "It is an error by mailchimp. I found on google that it can be a conflit with some plugin. Try to disable the plugins. Else try to contact mailchimp support."
I have tried disabling all plug ins except for mailchimp widget but the error message still appearing.