Can I ask what kind of error your customers are seeing? I can add products to your cart page, and move on to the checkout page with ease, the only thing I saw that was a little odd was that a piece of coding showed beside the currency when I updated the quality of a product in the cart.
This is my cart first, with 2 products:
After that I tried to update my cart, I added an extra quantity and I could see <span class = money > beside the subtotal:
Can I ask if you have made any coding changes to your theme? Also, what is the name of the theme you are currently using?
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