You can view this bug on your live site.
http://demo.nopcommerce.com/
Click on the wishlist / cart icon for "Apple MacBook Pro 13-inch". It redirects you to the product page in both cases not performing the action. I don't have any errors in my log
This was tested in Chrome / IE / Edge
And, I want to say, this is one of the best pieces of software I have ever worked with. You guys did a fantastic job with this!