How to fix the WordPress “rest_user_invalid_id” message “Invalid user ID.” 404

Описание: A tutorial on how to fix the WordPress "JSON invalid error" and "Updating failed" warnings when editing a post using the Block Editor, which is related to Wordfence "Prevent discovery of usernames through '/?author=N' scans, the oEmbed API, the WordPress REST API, and WordPress XML Sitemaps " option under the Additional Options page.

Article Guide:
https://wprepublic.com/blog/how-to-fi...

Additional info:
wp-json/wp/v2/users/14?context=view&_locale=user 404