Have a look at the groups of identical products. It is best to only use just one canonical version for search results. The canonical version need to be specified therefore for all duplications. From the configuration of the Google Integrator module you can configure the default consents (on-web page Default) https://prestashop-cookie-consent93480.targetblogs.com/33190009/details-fiction-and-hreflang-to-non-canonical