Quick post that explains how to fix the error, “The authorization header is missing”. This error may be found under “recommended improvements” in the WordPress Site Health tool (located under the WP menu ▸ Tools ▸ Site Health).

When running a Site Health check, the “authorization header” warning happens when you’ve upgraded WordPress (to version 5.6 or better) and have Permalinks enabled, but the site’s .htaccess rules have not been updated with the latest. This DigWP tutorial explains what’s happening and shows how to fix the error easily with a few clicks.





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