Title: [Plugin: Members List Plugin] Multiple Warnings
Last modified: August 20, 2016

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# [Plugin: Members List Plugin] Multiple Warnings

 *  [Tim Bowen](https://wordpress.org/support/users/creativeslice/)
 * (@creativeslice)
 * [14 years ago](https://wordpress.org/support/topic/plugin-members-list-plugin-multiple-warnings/)
 * I tried to activate this plugin however these header information errors kept 
   popping up:
 * WARNING: wp-includes/functions.php:1719 – Cannot modify header information – 
   headers already sent by (output started at /Users/tim/Documents/HTDOCS/wp-content/
   plugins/members-list/class/select.php:65)
 * WARNING: wp-includes/functions.php:4662 – Cannot modify header information – 
   headers already sent by (output started at /Users/tim/Documents/HTDOCS/wp-content/
   plugins/members-list/class/select.php:65)
 * WARNING: wp-admin/admin-header.php:9 – Cannot modify header information – headers
   already sent by (output started at /Users/tim/Documents/HTDOCS/wp-content/plugins/
   members-list/class/select.php:65)
 * And these errors showed up on the frontend:
 * Notice: Undefined index: data in /Users/tim/Documents/HTDOCS/wp-content/plugins/
   members-list/class/select.php on line 65
 * Notice: Undefined index: page in /Users/tim/Documents/HTDOCS/wp-content/plugins/
   members-list/core/search.php on line 30
 * Notice: Undefined index: page in /Users/tim/Documents/HTDOCS/wp-content/plugins/
   members-list/core/sort.php on line 30
 * [http://wordpress.org/extend/plugins/members-list/](http://wordpress.org/extend/plugins/members-list/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [ternstyle](https://wordpress.org/support/users/mpraetzel/)
 * (@mpraetzel)
 * [13 years, 7 months ago](https://wordpress.org/support/topic/plugin-members-list-plugin-multiple-warnings/#post-2739039)
 * How did you install the plugin?

Viewing 1 replies (of 1 total)

The topic ‘[Plugin: Members List Plugin] Multiple Warnings’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/members-list_a1a1a1.svg)
 * [Members List Plugin](https://wordpress.org/plugins/members-list/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/members-list/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/members-list/)
 * [Active Topics](https://wordpress.org/support/plugin/members-list/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/members-list/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/members-list/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [ternstyle](https://wordpress.org/support/users/mpraetzel/)
 * Last activity: [13 years, 7 months ago](https://wordpress.org/support/topic/plugin-members-list-plugin-multiple-warnings/#post-2739039)
 * Status: not resolved