Title: Module Error Last modified: September 14, 2016 --- # Module Error * [ethanmfarmer](https://wordpress.org/support/users/ethanmfarmer/) * (@ethanmfarmer) * [9 years, 8 months ago](https://wordpress.org/support/topic/module-error/) * After updating Jetpack with the latest version of WP, I get the following message displayed on my login screen: Warning: Attempt to modify property of non-object in /home/content/72/7897472/html/thefrontrowcenter/wp-content/plugins/jetpack/ sync/class.jetpack-sync-module-users.php on line 67 * I tried disabling all plugins, and then re-enabling jetpack but this didn’t resolve the issue. Viewing 10 replies - 1 through 10 (of 10 total) * [Ryan C.](https://wordpress.org/support/users/ryanc413/) * (@ryanc413) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8211705) * Thanks for the report! Could you please try uninstalling and reinstalling the Jetpack plugin from your Dashboard? To do so, follow these steps: * 1. Navigate to Plugins > Installed Plugins 2. Deactivate Jetpack 3. Click the“ Delete” link under Jetpack and follow the prompts to confirm 4. Install the Jetpack plugin once again 5. Connect Jetpack * Following these steps will clear out existing settings, and allow you to attempt a fresh connection. * If the issue persists after that, could you please provide me with a link to your site, so I can take a look? * Thread Starter [ethanmfarmer](https://wordpress.org/support/users/ethanmfarmer/) * (@ethanmfarmer) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8217421) * Hi Ryan, I tried that and it seems to still be happening. The site is [http://thefrontrowcenter.com](http://thefrontrowcenter.com). * Thanks! * [Ryan C.](https://wordpress.org/support/users/ryanc413/) * (@ryanc413) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8223858) * Thanks for giving that a shot! I had a look at your site, but I don’t see the error message that you are referring to. Could you let me know the exact steps that result in that message? Then I can take another look! * Thread Starter [ethanmfarmer](https://wordpress.org/support/users/ethanmfarmer/) * (@ethanmfarmer) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8223962) * It only happens right after entering login credentials, I’m setting up a new dev environment for testing to see if I can replicate the issue there since it doesn’t happen on the other sites I administer. I’ll report back to you if I can’t get it figured out! * [Ryan C.](https://wordpress.org/support/users/ryanc413/) * (@ryanc413) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8224107) * Thanks for the additional information. If you continue to experience this issue, could you contact us here? [http://jetpack.com/contact-support](http://jetpack.com/contact-support) * Then we’ll followup via email, and we can look into it further. * [CodeValve](https://wordpress.org/support/users/codevalve/) * (@codevalve) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8266754) * I’m getting the exact same error on all my sites that use JetPack and DuoSecurity. It happens when I go to login page. * class.jetpack-sync-module-users.php on line 67 * Plugin Author [Jeremy Herve](https://wordpress.org/support/users/jeherve/) * (@jeherve) * Jetpack Mechanic 🚀 * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8272527) * [@codevalve](https://wordpress.org/support/users/codevalve/) What happens when you deactivate DuoSecurity? Does the error disappear? * [CodeValve](https://wordpress.org/support/users/codevalve/) * (@codevalve) * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8272734) * Yes. If I deactivate the plugin, the error goes away. * Plugin Author [Jeremy Herve](https://wordpress.org/support/users/jeherve/) * (@jeherve) * Jetpack Mechanic 🚀 * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8272918) * Thanks for giving it a try. It would appear that DuoSecurity modifies the output of queries about a user in WordPress, and thus creates issues with all plugins that query that user data. * We’ll add a check in Jetpack to make sure we do not display any error, even when another plugin outputs something unexpected. That should help. * Thanks again for going through this with us! * Plugin Author [Jeremy Herve](https://wordpress.org/support/users/jeherve/) * (@jeherve) * Jetpack Mechanic 🚀 * [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8272939) * As a follow-up, if you feel comfortable editing PHP files you can apply the patch available here to fix this issue on your site right now: [https://github.com/Automattic/jetpack/pull/5295](https://github.com/Automattic/jetpack/pull/5295) Viewing 10 replies - 1 through 10 (of 10 total) The topic ‘Module Error’ is closed to new replies. * ![](https://ps.w.org/jetpack/assets/icon.svg?rev=2819237) * [Jetpack - WP Security, Backup, Speed, & Growth](https://wordpress.org/plugins/jetpack/) * [Frequently Asked Questions](https://wordpress.org/plugins/jetpack/#faq) * [Support Threads](https://wordpress.org/support/plugin/jetpack/) * [Active Topics](https://wordpress.org/support/plugin/jetpack/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/jetpack/unresolved/) * [Reviews](https://wordpress.org/support/plugin/jetpack/reviews/) * 10 replies * 4 participants * Last reply from: [Jeremy Herve](https://wordpress.org/support/users/jeherve/) * Last activity: [9 years, 7 months ago](https://wordpress.org/support/topic/module-error/#post-8272939) * Status: not resolved