I am experiencing the same issue and the Logout Redirect tab is set to ‘Default’ for all roles. Thank you for investigating this issue!
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This reply was modified 6 years, 6 months ago by dschwint.
I was experiencing the same problem. To resolve, I updated to the latest version of the Yoast SEO plugin and then the Yoast -> AMP functionality began working.
https://ww.wp.xz.cn/plugins/wordpress-seo/
Hope this helps!
I also had the same problem and once I updated the Yoast SEO plugin to the most current version, the AMP tabs started working. I hope this helps.
https://ww.wp.xz.cn/plugins/wordpress-seo/