Incorrect canonical implementation: Make sure that the canonical URL is appropriate and would not conflict with hreflang directives. This feature is particularly helpful for promoting buys. The textual content and placement with the alert rely upon the theme; during the default concept, it is "Very last objects in inventory", and https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/30904-automatische-hreflang-tags-en-canonieke-tags-seo.html