Once you incorporate hreflang tags, guarantee they all level to indexable and crawlable pages. Check out which tags are causing the problems and rectify them by making certain the pages they’re pointing to are Reside.  It may even enable you to add the default "x-default" tag for buyers from countries https://xyzbookmarks.com/story18612845/5-simple-statements-about-hreflang-canonical-explained