Error: Duplicate EAN codes for products
When exporting products, you may see:
Duplicate EAN entry for product, References: [demo_1, demo_2]
The list contains references whose EAN appears twice or more in the catalog (products or combinations).
Common duplicate EAN example:
Every product / combination must have a unique EAN:
Validate your catalog structure
Find a product by its reference (or ID) in the PrestaShop catalog:
Updated on: 12/10/2026
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