WordPress errors like “Updating Failed” and “Publishing Failed” disrupt workflow, often due to server communication issues. This guide outlines steps to diagnose and resolve these errors, including checking internet connection, debugging the REST API, troubleshooting plugins/themes, updating software, verifying server settings, resolving authentication issues, and checking for JavaScript errors. If issues persist, contacting your hosting provider is recommended. To prevent future problems, regularly update your site and maintain backups. Additionally, utilizing Jetpack AI Assistant can streamline content management and improve efficiency on WordPress.
https://jetpack.com/resources/wordpress-publishing-and-updating-failed/