Why the shopping cart cannot pass the information

[huanghaha]

https://www.wonderporcelain.com/store/
Here is the link. I try to add something in cart. But when I try to update the number or checkout, it show no item in cart. I just wanna know what is the key reason for that.
Thank you!

[jjones]

Are you using something like elementor for page building? this is just a php session or caching issue, but we have seen some older elementor page builders do this and it was because the text module was used instead of a shortcode module... it's how the theme is interpreting the page