troubleshooting with weebly site

[marine_shop]

hello, there is a problem on my site. when I try to add a product to the cart, it says Published site not found. Reason: no data , what to do?

[BernadetteA]

Thanks for reaching out, @marine_shop and Welcome to the Seller Community 😊

I'm not familiar with the described error. Can you confirm you website address, and post a screenshot of the error you see? 

Thanks in advance!