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How to Fix WordPress Unexpected Response Errors

If you have WordPress on your website, you will sometimes encounter errors and warnings. While these messages are not dangerous, they can be confusing and frustrating to fix.

This article will cover some tips and tricks for fixing the unexpected response security check wordpress error message. You will learn several different ways to solve the issue, including deactivating plugins and switching to a default theme.

Error message: The response is not a valid JSON response

Updating a WordPress post requires communication with the web hosting server. This communication typically occurs in the background and relies on receiving responses from the server in JSON format, a protocol that JavaScript uses to transport data quickly. If for some reason this connection is interrupted, the editor may display the “Not a valid JSON response” error message. Several factors can cause this problem, including incorrect URL settings and broken permalinks. However, it’s often the case that the site’s REST API is blocked by a security solution, such as a firewall or a plugin.

Seeing the “Updating failed: The response is not a valid JSON response” error message in the WordPress block editor can be very frustrating. It’s important to understand what causes this issue, so that you can troubleshoot and fix it in a timely manner.

Error 401

This is the most common error that WordPress users encounter when they try to access their website’s files or upload media. It usually indicates that the user doesn’t have write permissions set properly for their wp-admin, wp-content, and wp-includes directories on their server. This allows hackers to gain access to your site’s files and delete or change content, steal your data, or add malicious code. Luckily, this is an easy fix by simply setting the appropriate permissions for these directories to 755 for folders and 644 for files.

Plugin conflicts

In most cases, the “The response is not a valid JSON response” message is caused by a plugin conflict. This is because the more plugins you have active, the greater the chance of a code incompatibility that can prevent your site from working correctly. If you suspect that this is the case, it’s recommended to deactivate all of your plugins and then reactivate them one by one until you find the culprit.

Mixed content

Often, this error message is caused by mixed content warnings that appear when your website is using HTTP and not HTTPS. This can happen if you’ve changed your website address from HTTP to HTTPS, haven’t updated your web browser or operating system, or have recently migrated your site to a new host. To resolve this, you can use search-and-replace tools like WP CLI or a plugin such as Really Simple SSL to remove any leftover HTTP references from your database.

Getting this error message can be very frustrating, especially since it appears while you’re trying to work on your site. This article will provide some tips on how to troubleshoot the issue and resolve it as quickly as possible. In the end, you’ll be able to get back to editing your posts and pages without having to worry about this annoying error message anymore. Thanks for reading!