Title: Error when activation
Last modified: August 22, 2016

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# Error when activation

 *  [niucool](https://wordpress.org/support/users/niucool/)
 * (@niucool)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/error-when-activation-1/)
 * Here are the errors:
    Notice: Undefined index: notice in /home/content/html/wp-
   content/plugins/horizontal-meta/system/controller_base.php on line 104
 * Notice: Undefined index: notice in /home/content/html/wp-content/plugins/horizontal-
   meta/system/controller_base.php on line 104
 * Notice: Undefined index: notice in /home/content/html/wp-content/plugins/horizontal-
   meta/system/controller_base.php on line 104
 * Notice: Undefined index: notice in /home/content/html/wp-content/plugins/horizontal-
   meta/system/controller_base.php on line 104
 * Notice: Undefined index: meta_query in /home/content/html/wp-content/plugins/
   horizontal-meta/libraries/hm_query_library.php on line 119
 * I use the latest version of hm
 * [https://wordpress.org/plugins/horizontal-meta/](https://wordpress.org/plugins/horizontal-meta/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [Nathan Franklin](https://wordpress.org/support/users/nathanfranklinau/)
 * (@nathanfranklinau)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/error-when-activation-1/#post-5585144)
 * Hey niucool,
 * I have updated the plugin to fix these errors.
 * New version is 2.3.1
 * Thanks for the heads up.

Viewing 1 replies (of 1 total)

The topic ‘Error when activation’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/horizontal-meta_88af3a.svg)
 * [Horizontal Meta](https://wordpress.org/plugins/horizontal-meta/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/horizontal-meta/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/horizontal-meta/)
 * [Active Topics](https://wordpress.org/support/plugin/horizontal-meta/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/horizontal-meta/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/horizontal-meta/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Nathan Franklin](https://wordpress.org/support/users/nathanfranklinau/)
 * Last activity: [11 years, 3 months ago](https://wordpress.org/support/topic/error-when-activation-1/#post-5585144)
 * Status: not resolved