Hi ,
We are using Yoast SEO Plugin for XML sitemap. Our XML sitemap submitted in Google search console and the sitemap status is a success, but our Coverage report shows “Indexed, Not submitted in Sitemap“.
As an additional info,
1.Our XML sitemaps URL:https://scgroup.global/sitemap_index.xml
2.We have enabled Yoast sitemap.
3.We have Sucuri website Firewall (WAF) for our website.
4.Disabled the website firewall cache.
Can anyone help to fix this issue?