My product are detected by snipcart but he don't add my product to my dashbord?

Hi everybody,

i made all fine to add snipcart to my shop, it works one time but now when i’m trying to apply this to a new product (add button and upload product by a link on snipcart api) this don’t work…

I have this quote “Products have been fetched successfully.”
But nothing in my product…

Someone can help me pleasee?