It could issue to the error or issue Because the past crawl. Take into account that the declared canonical needs to be the version with the webpage you need Google to index and rank. Possibly someone have made it with GTM ? It is realy good tool, but it need to https://social40.com/story4255559/details-fiction-and-etiquetas-autom%C3%A1ticas-hreflang-canonical-etiquetas-seo