ASIN codes are identifiers created by and for Amazon, in order to gather under the same product page, multiple retailers who are selling the same product.
When you want to sell a product on Amazon, with this channel already knows its EAN code, you'll get an error expecting you to fill in for this product the ASIN code instead of the EAN code.
To find this ASIN code matching your product, please refer to Amazon help.
Then add this ASIN code to your catalogue and send it to Amazon.
To do so, here is our suggested method: