It’s actually not an issue at all, it works just like it’s supposed to, be sure to submit the index sitemap though, not the individual ones, so submit sitemap_index.xml.
See this screenshot for reference to show that it works:

Related Posts:
- Why do I get a 404 for my sitemap index after installing Yoast? [closed]
- When does the Yoast SEO filter hook wpseo_sitemap_urlimages fire?
- WordPress site running on Yoast not being indexed into Google News [closed]
- Changing Post Sitemap Frequency to Hourly [closed]
- WordPress site using Yoast SEO being blocked from indexing by robots.txt
- how to add urls dynamically into the sitemap
- Separate Sitemaps for Each Language with Polylang and Yoast SEO
- Display Yoast WordPress SEO title in archive template
- How to add a page to the Yoast breadcrumbs
- How to print meta description to posts? [closed]
- Removing “Noindex, follow” from pages [closed]
- Change content language for one page
- Add Page number to Meta Description in WordPress SEO by Yoast [closed]
- Manipulating wp_head content
- Exclude custom post_type in sitemap generation?
- Yoast’s WordPress SEO plugin is not showing the correct snippet [closed]
- How do I get WordPress URL rewrites into Sitemap?
- Yoast Sitemap grouping external sitemaps [closed]
- XML Sitemap : broken XML file [closed]
- make the url unlimited
- Query Post Based of Yoast Primary Category Class
- Wrong Canonical url link
- How to parse Yoast SEO Snippet Variables
- Post content blank after disabling Yoast SEO
- With the Yoast SEO plugin, is it possible to make the meta description a required form field?
- WP-RestAPI and xml sitemap
- help to write a custom php script to settingup yoast priority to pages or posts
- robots.txt Not Updating
- Yoast Seo Plugin – Set no-index to a post automatically when a post is set to sticky [closed]
- Yoast SEO Plugin: Double Title isse [closed]
- Edit title-tag in wp_head with yoast seo
- Way to change the Yoast Schema depending on post type? [closed]
- How to ensure that a landing page created with WordPress does not enter the sitemap?
- Change base URL of Yoast Sitemap [closed]
- Variable focus word YOAST
- How can I add a second Open Graph image to a site using Yoast? [closed]
- WordPress Sitemap including pages that aren’t there
- How to call Yoast Seo Tags without needing to call the whole wp_head?
- My WordPress website has 2 header [closed]
- Add content before Yoast description
- Twenty Eleven Theme – SEO Yoast duplicate site titles
- Add Page number to Meta Description in WordPress SEO by Yoast [closed]
- Blog home page has canonical link that is incorrect. Do not see where to change this
- How to Modify Breadcrumb Page Names for Specific Pages? [closed]
- P3 Profiler and Yoast SEO plugin
- How to use the Yoast SEO wpseo_canonical filter to set a canonical URL for /, /au/ & /uk/ sites in a MU environment
- Yoast Metadata API to adjust/override the meta description
- Prevent Yoast from removing the canonical tag if robots meta tag is set to noindex [closed]
- Embed sitemap in a page
- Fixing link rel=”next” in Yoast SEO for paginated links
- how to disable Yoast SEO schema from homepage only?
- WPML and Yoast SEO setup on a wordpress site is not working properly
- Remove canonical link element from noindex pages
- What could be causing the category to be appearing as the post title in the title tag?
- Turn off auto 301 on archive pages? [closed]
- Yoast: do I still need to manually insert meta tags in my theme or will Yoast do this for me? [closed]
- Hard-code SEO Title defaults across all sites on a multisite
- SEO Yoast Menu Not working
- Wrong Open Graph image is shown (og:image) using yoast
- An inactive plugin causes an HTTP 404 issue on a translated post – WPML
- Set default image for twitter cards with Yoast?
- Using $this with an anonymous function in filters
- Exclude WooCommerce terminations from YOAST
- Overwriting yoast’s og:meta output?
- Plugin scans for images in post_content, how about “featured image”?
- yoast seo plugin – remove bulk title and description editor menu from non-admins [closed]
- Yoast SEO makes repeated INSERT queries loading any page
- yoast sitemap xml
- Remove a specific sitemap from Sitemap_index.xml
- Yoasts plugin sitemap not detecting correct category URL format
- Change Paginated Blog Canonicals
- How to include empty archives in sitemap?
- Preview Problem Yoast SEO
- My wordpress website showing 2 titles in source code how can i fix this issue
- How to add query string at the end of sitemap Yoast SEO
- Allowing Yoast SEO plugin to track me
- Set Custom Post feature image as og:image
- Hide Meta Boxes for Non-Admins
- Yoast SEO: title tags are repeating my website name and slogan [closed]
- Customize title, description and focused keyword [closed]
- URLs with two taxonomies are missing from sitemap
- WordPress SEO plugin (by Yoast) and BuddyPress [closed]
- Yoast Force Rewrite Crashed Site [closed]
- Display Yoast meta-description `wpseo_desc` within loop of categories and fail silently if no data is set [closed]
- Extending a custom framework built into WordPress to automatically turn the ‘Search Engine Visibility’ setting ON / OFF, dependant on environment
- Yoast primary category query modification
- Export Yoast Keywords from MySQL/phpMyAdmin
- Disable parent in wp_list_pages – WordPress
- Remove all stop words from old permalinks
- How can I see a list of all pages my WordPress site has generated?
- 301 redirects after changing permalinks
- changing products urls – redirects
- How to block search engines indexing certain AJAX actions
- Setting Custom WordPress “Posts page” AS “Front page”
- Want to creat a search for my wordpress theme [closed]
- Deprecating WordPress URL from Google, promoting custom domain [closed]
- how to make yoast seo read text from custom fields in custom post type
- Remove datePublished and dateModified from Yoast Schema output on WordPress website
- How to create archive child pages with good Yoast SEO meta?
- How can I do automatic redirects to canonical URLs as defined by Yoast SEO?