Title: Error with your plugin
Last modified: March 4, 2024

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# Error with your plugin

 *  Resolved [SteveHale](https://wordpress.org/support/users/stevehale/)
 * (@stevehale)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/error-with-your-plugin-2/)
 * I am getting this error when I activate your plugin:
 *     ```
       Warning: Undefined array key "cols" in /home/a09farn/public_html/website/wp-content/plugins/press-permit-core/classes/PublishPress/Permissions/DB/Groups.php on line 424
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/a09farn/public_html/website/wp-content/plugins/press-permit-core/classes/PublishPress/Permissions/DB/Groups.php:424) in /home/a09farn/public_html/website/wp-admin/includes/misc.php on line 1431
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/a09farn/public_html/website/wp-content/plugins/press-permit-core/classes/PublishPress/Permissions/DB/Groups.php:424) in /home/a09farn/public_html/website/wp-includes/functions.php on line 7049
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/a09farn/public_html/website/wp-content/plugins/press-permit-core/classes/PublishPress/Permissions/DB/Groups.php:424) in /home/a09farn/public_html/website/wp-admin/admin-header.php on line 9
       ```
   
 * Please advise
 * Regards

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [Sev](https://wordpress.org/support/users/severindauvergne/)
 * (@severindauvergne)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/error-with-your-plugin-2/#post-17471489)
 * Same error for me
 *  Plugin Support [Riza Maulana Ardiyanto](https://wordpress.org/support/users/rizaardiyanto/)
 * (@rizaardiyanto)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/error-with-your-plugin-2/#post-17471526)
 * Hi [@stevehale](https://wordpress.org/support/users/stevehale/)
 * We are aware of this warning and will fix this in the future release. In the 
   meantime, you could safely ignore it. It just warning and will not break from
   the code execution.
 * Thanks,
 *  Plugin Author [Kevin Behrens](https://wordpress.org/support/users/kevinb/)
 * (@kevinb)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/error-with-your-plugin-2/#post-17473907)
 * [@stevehale](https://wordpress.org/support/users/stevehale/) [@severindauvergne](https://wordpress.org/support/users/severindauvergne/)
 * The PHP Warning your reported is fixed in today’s Permissions 4.0.20 release.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Error with your plugin’ is closed to new replies.

 * ![](https://ps.w.org/press-permit-core/assets/icon-256x256.png?rev=3409953)
 * [PublishPress Permissions: Control User Access for Posts, Pages, Categories, Tags](https://wordpress.org/plugins/press-permit-core/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/press-permit-core/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/press-permit-core/)
 * [Active Topics](https://wordpress.org/support/plugin/press-permit-core/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/press-permit-core/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/press-permit-core/reviews/)

 * 3 replies
 * 4 participants
 * Last reply from: [Kevin Behrens](https://wordpress.org/support/users/kevinb/)
 * Last activity: [2 years, 3 months ago](https://wordpress.org/support/topic/error-with-your-plugin-2/#post-17473907)
 * Status: resolved