Hi,
This exact same issue is happening to me.
What’s interesting is that everything has worked perfectly for the last month. It is my opinion something has gone wrong with the latest WP update, as this problem just cropped up today. I definitely have the latest plugin updates installed.
Also new problem – cart does not empty when I select “remove item from cart.”
Again: everything all good until latest WP update (v 4.7.3).
Please advise on what my solution is?
You can test for yourself at this link:
http://brianstaveley.com/epic/product/kettral-tee/
Thank you so much!