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Hi @doubleme,
The error message “Updating failed. The response is not a valid JSON response” usually occurs due to an issue with your WordPress site communicating with the server. Here are a few steps to troubleshoot the problem:
- Check Permalinks: Sometimes, resetting the permalinks can resolve the issue. Go to Settings > Permalinks and simply click the Save Changes button without making any modifications.
- Disable Plugins: A conflicting plugin might be causing the issue. Try deactivating all your plugins and see if the problem persists. If the error is gone, reactivate the plugins one by one to find the culprit.
- Theme Conflict: Switch to a default theme like Twenty Twenty-Three to check if the issue is theme-related.
- .htaccess File: There might be an issue with your
.htaccessfile. You can try renaming it temporarily to see if the issue resolves, and then regenerate it by saving your permalinks settings. - Server Configuration: Ensure that your server meets the WordPress requirements, such as PHP version and memory limits. You might also want to check your server’s error log for more details.
- SSL Issues: If you recently moved to HTTPS, ensure that your site URL is set correctly in Settings > General. Mismatched URLs can cause this error.
- Check REST API: This error is related to the REST API, so you can test if the REST API is working correctly by visiting
https://yoursite.com/wp-json/. If you get an error, there may be a deeper issue that needs to be resolved.
If none of these steps work, you may want to contact your hosting provider for further assistance. Let us know how it goes!
Thanks for your super fast reply/help. I just save changes on permalink, without doing any change. It resolves the problem. Thank you very much, Noruzzaman.