Title: Undefined array key 1
Last modified: April 14, 2025

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# Undefined array key 1

 *  Resolved [bometest](https://wordpress.org/support/users/bometest/)
 * (@bometest)
 * [1 year, 1 month ago](https://wordpress.org/support/topic/undefined-array-key-1-6/)
 * When I click on Preview Event, I get this warning:
 * **Warning**: Undefined array key 1 in **/wp-content/plugins/wp-event-manager/
   forms/wp-event-manager-form-submit-event.php** on line **870**
 * How can I resolve this?

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

 *  Plugin Support [jathinhelp](https://wordpress.org/support/users/jathinhelp/)
 * (@jathinhelp)
 * [1 year, 1 month ago](https://wordpress.org/support/topic/undefined-array-key-1-6/#post-18414912)
 * Hello,
 * [@bometest](https://wordpress.org/support/users/bometest/) We have verified the
   issue from our and its not replicating. Could you please check if you have done
   any custom coding and delete the plugin and install again and check.
 * Regards,
 * WP Event Manager.
 *  Thread Starter [bometest](https://wordpress.org/support/users/bometest/)
 * (@bometest)
 * [1 year, 1 month ago](https://wordpress.org/support/topic/undefined-array-key-1-6/#post-18416947)
 * I did not any custom coding in the form submit event. I also delete an install
   the plugin again, but I still get the warning
 *  Plugin Support [jathinhelp](https://wordpress.org/support/users/jathinhelp/)
 * (@jathinhelp)
 * [1 year, 1 month ago](https://wordpress.org/support/topic/undefined-array-key-1-6/#post-18417094)
 * Hello,
 * [@bometest](https://wordpress.org/support/users/bometest/) Could you please disable
   third party plugins and theme and check if its still the same please open a ticket
   in our support console we will help you from our end.
 * Regards,
 * WP Event Manager.

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

The topic ‘Undefined array key 1’ is closed to new replies.

 * ![](https://ps.w.org/wp-event-manager/assets/icon-256x256.png?rev=1622826)
 * [WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce](https://wordpress.org/plugins/wp-event-manager/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-event-manager/unresolved/)
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 * 3 replies
 * 2 participants
 * Last reply from: [jathinhelp](https://wordpress.org/support/users/jathinhelp/)
 * Last activity: [1 year, 1 month ago](https://wordpress.org/support/topic/undefined-array-key-1-6/#post-18417094)
 * Status: resolved