Have you ever tried to upload a file or modify a piece of content on your WordPress site and been greeted by a frightening red notification that reads, “Updating failed. The response is not a valid JSON response“? To fix this error:
In this video, we’ll walk you through the various methods to get rid of this WordPress error on your website.
Timestamps
0:00 – Introduction
0:24 – What triggers the error?
0:56 – Check the URL settings
1:36 – Fix WordPress Permalink structure
2:15 – Regenerate .htaccess file
3:15 – Check themes and plugins
4:30 – Use Classic Editor
5:18 – Check Site Health Tool
5:35 – Disable Security Firewall
6:15 – Use Debugging in WordPress
7:13 – Upload files to the Media library
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