Error 422 is an HTTP code that cautions you that the server can’t handle your request, but it understands it. The full name of the error code is 422, “unprocessable entity.”


What caused the 422 error?

422 occurs when there is a semantic error in the contents of a request.

1. One of the request-related files may have code that contains semantic errors.
2. You work with a corrupt database.

How To Fix the Error 422 in WordPress?

1. Repair your corrupt database

Option - 1: using PHPmyAdmin

1. Log into your CPanel account.



2. Navigate to the Database and choose phpMyAdmin.



3. Select your database and your tables.

4. Scroll down, tickmark Check All, and choose Repair Table from the drop-down menu.



Option - 2: Use the WP-DBManager plugin

1. Log into your WordPress Dashboard.



2. Scroll down to the Plugins > Add New.



3. Search for the WP-DBManager plugin.

4. Click on Install Now & then Activate it.



5. Once activated, you will see the Database option in your WordPress sidebar.

6. Navigate to the Database and select Repair DB.



7. Select the database you want to repair, then click Repair.



The repair process takes a few seconds. Once it’s done, you will see a success message.
Access the page that previously produced the 422 error to see if the problem has been fixed.


2. Use the WordPress error log to identify 422 error

1. Log into your CPanel account.



2. Scroll down to Files and choose File Manager.



3. Inside the public_html directory, look for the wp-config.php file.

4. Right-click on it and choose the Edit option.



5. Add the following line:

• define(‘WP_DEBUG,’ true)
• define(‘WP_DEBUG_LOG,’ true)

6. Click on Save Changes.

7. Now, you have access to error logs. To read those logs, navigate to the wp-content folder inside the public_html directory and find the debug.log file.

You should be able to identify the problematic file using the error message. It specifies which line in the file is affected by the semantic issue.