Title: Plugin causing invalid JSON response.
Last modified: October 6, 2026

---

# Plugin causing invalid JSON response.

 *  [samdinho](https://wordpress.org/support/users/sambodinho/)
 * (@sambodinho)
 * [3 weeks, 1 day ago](https://wordpress.org/support/topic/plugin-causing-invalid-json-response/)
 * In the last few weeks our site has been getting an error whenever we try to update
   a page: ‘**Updating failed. The response is not a valid JSON response.**‘ I’ve
   managed to isolate the issue being down to this plugin as when it’s disabled 
   the issue goes away. For now we’ve just got the plugin disabled, but would like
   to enable it again if a fix can be achieved.
 * I’ve read elsewhere that sometimes this can happen when autoloader is trying 
   to solve conflicts that arise when two or more plugins use the same package, 
   but one of the plugins uses an older version of said package. Could this be the
   issue here?

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [Aslam Doctor](https://wordpress.org/support/users/aslamdoctor/)
 * (@aslamdoctor)
 * [3 weeks, 1 day ago](https://wordpress.org/support/topic/plugin-causing-invalid-json-response/#post-19037459)
 * [@sambodinho](https://wordpress.org/support/users/sambodinho/) thanks for reporting
   the issue. I will need some more details to investigate and fix this. Please 
   go to **Admin > Rearrange My Products > Troubleshooting** and under **System 
   Status / Diagnostic Info** section, click on **Copy To Clipboard** and then share
   the details with me here or using the contact form on my website.
 *  Thread Starter [samdinho](https://wordpress.org/support/users/sambodinho/)
 * (@sambodinho)
 * [3 weeks, 1 day ago](https://wordpress.org/support/topic/plugin-causing-invalid-json-response/#post-19037494)
 *     ```wp-block-code
       EnvironmentWordPress Version: 7.1.2WooCommerce Version: 11.1.2PHP Version: 8.3.35PHP Memory Limit: 256MPHP Max Execution: 30sPHP Max Input Vars: 1000MySQL Version: 8.0.46Server Software: LiteSpeedHTTPS: YesMultisite: No PluginPlugin Version: 6.0.4DB Version: 6.0.0License: Free DatabaseProduct Order Table: ExistsPresets Table: ExistsGlobal Sort Records: 118Category Sort Records: 61 SettingsApply Sorting To: All LoopsWC Default Sorting: menu_orderTotal Products: 1204Total Categories: 54 ThemeActive Theme: Samsty Master 1.0Child Theme: YesParent Theme: Susty 1.0.0 Active PluginsRearrange Products for WooCommerce: 6.0.4Akismet Anti-spam: Spam Protection: 5.7.2Hide Categories and Products for Woocommerce: 1.3.1Imsanity: 2.9.4MainWP Child: 6.2.2User Role Editor: 4.66.2WooCommerce.com Update Manager: 1.0.3WooCommerce Square: 5.5.1WooCommerce: 11.1.2Yoast SEO: 28.6WP Mail Logging: 1.17.0WP Mail SMTP: 4.10.0
       ```
   

Viewing 2 replies - 1 through 2 (of 2 total)

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 * 2 replies
 * 2 participants
 * Last reply from: [samdinho](https://wordpress.org/support/users/sambodinho/)
 * Last activity: [3 weeks, 1 day ago](https://wordpress.org/support/topic/plugin-causing-invalid-json-response/#post-19037494)
 * Status: not resolved