@edge22 Yes it is a plugin, thank you very much for your answer! But I am not that expert! how to do that if you can help me 😀
@edge22 I got these errors: Note that I don’t use WooCommerce plugin and I don’t have it.
Warning Missing field “priceValidUntil”
Warning Missing field “aggregateRating”
Warning Missing field “availability”
Warning Missing field “brand”
Warning Missing field “url”
Warning Missing field “sku”
Warning No global identifier provided (e.g., gtin, mpn, isbn)