Quick Fix: Publishing failed. The response is not a valid JSON response

Quick Fix: Publishing failed. The response is not a valid JSON response | SOLVED

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.

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Code Used:

<IfModule mod_security.c>
SecRuleEngine Off
SecFilterInheritance Off
SecFilterEngine Off
SecFilterScanPOST Off
</IfModule>

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Quick Fix: Publishing failed. The response is not a valid JSON response | SOLVED

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