Title: PHP notice on plugin activation
Last modified: August 22, 2016

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# PHP notice on plugin activation

 *  Resolved [Tarei King](https://wordpress.org/support/users/tareiking/)
 * (@tareiking)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/php-notice-on-plugin-activation/)
 * Hi,
 * Just a small note:
 * `Notice: Use of undefined constant SPU_ADMIN_DIR - assumed 'SPU_ADMIN_DIR' in/
   vagrant/content/plugins/popups/admin/class-social-popup-admin.php on line 13`
 * [https://wordpress.org/plugins/popups/](https://wordpress.org/plugins/popups/)

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

 *  Plugin Author [Damian](https://wordpress.org/support/users/timersys/)
 * (@timersys)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/php-notice-on-plugin-activation/#post-5427421)
 * Thanks, I will fix that
 *  [Samuele Carpene](https://wordpress.org/support/users/samuelecarpene/)
 * (@samuelecarpene)
 * [11 years, 6 months ago](https://wordpress.org/support/topic/php-notice-on-plugin-activation/#post-5427557)
 * this is the solution
    define(“SPU_ADMIN_DIR”, plugin_dir_path(__FILE__) );

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

The topic ‘PHP notice on plugin activation’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/popups_efeef0.svg)
 * [Popups - WordPress Popup](https://wordpress.org/plugins/popups/)
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 * 2 replies
 * 3 participants
 * Last reply from: [Samuele Carpene](https://wordpress.org/support/users/samuelecarpene/)
 * Last activity: [11 years, 6 months ago](https://wordpress.org/support/topic/php-notice-on-plugin-activation/#post-5427557)
 * Status: resolved