Whenever you include hreflang tags, assure they all stage to indexable and crawlable pages. Examine which tags are causing the issues and rectify them by making certain the pages they’re pointing to are live.  En muchas ocasiones, en las tiendas on line se generan URLs que expresan filtros y códigos https://free-bookmarking.com/story18851873/5-easy-facts-about-hreflang-to-non-canonical-described