Are you still experiencing this issue? Does this happen when you click the add to cart? When trying to checkout? Please tell me exactly where you are and what you are doing when you get the error please. Also, if you could tell us what browser you are using and the version of that browser it will help us to look into the issue for you. I would love to help...just give me a few specifics and we will get this checked out. Also, please be sure to try this again today as we have been doing updates and fixes daily.