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Updating failed. The response is not a valid JSON response – Enhance Hosting

If you cannot save or edit posts or pages and see an error message like “Updating failed. The response is not a valid JSON response,” disable Mod Security to see if it is causing a false positive.

en-wp-failed-json-modsec.png

To disable Mod Security: How to enable or disable Mod Security – Enhance Hosting

If the issue resolves when Mod Security is disabled, please contact our support team to check and whitelist the problematic rule on your domain.

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