If you increase hreflang tags, assure they all stage to indexable and crawlable pages. Check which tags are causing the issues and rectify them by making sure the pages they’re pointing to are Are living.  There are actually 3 ways to incorporate hreflang tags to webpages (by add, we don’t https://thesocialvibes.com/story4245299/details-fiction-and-canonical-link-tag-not-found