Hello,
We apologize for the issue you are facing with the Rank Math setup. The error message "The response is not a valid JSON response" can occur due to various reasons, such as server configuration issues or conflicts with other plugins.
Here are a few steps you can try to resolve this issue:
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Check Permalinks: Go to Settings → Permalinks in your WordPress dashboard and simply click Save Changes. This can refresh your permalink settings and might resolve the issue.
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Disable Other Plugins: Temporarily disable other plugins to check if there’s a conflict causing the issue. If the error goes away, enable the plugins one by one to identify the conflicting plugin.
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Check Server Configuration: Ensure that your server is configured correctly to handle JSON responses. You may need to check with your hosting provider for assistance.
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Enable Debugging: You can enable debugging in WordPress to see if any specific errors are logged. Add the following line to your wp-config.php file:
define( 'WP_DEBUG', true );
This will help you identify any underlying issues.
If these steps do not resolve the issue, please reply to this ticket and include your site URL so that a human agent from our support team can assist you further. Thank you for raising this concern!
Sources:
How to Setup Rank Math SEO Plugin Properly
This is an automated reply from Rank Math Support Bot. Your ticket has been assigned to a human agent and we will get back to you shortly.
Hello,
Could you please follow the steps mentioned in this guide and see if that works for you? https://rankmath.com/blog/fix-invalid-json-error/
If the issue persists, we might need to take a closer look at the settings. Please edit the first post on this ticket and include your WordPress & FTP logins in the designated Sensitive Data section.
Please do take a complete backup of your website before sharing the information with us.
It is completely secure and only our support staff has access to that section. If you want, you can use the below plugin to generate a temporary login URL to your website and share that with us instead:
https://wordpress.org/plugins/temporary-login-without-password/
You can use the above plugin in conjunction with the WP Security Audit Log to monitor what changes our staff might make on your website (if any):
https://wordpress.org/plugins/wp-security-audit-log/
Let us know how it goes. Looking forward to helping you.
Thank you.
