Title: Undefined index
Last modified: February 15, 2022

---

# Undefined index

 *  Resolved [oneruffryder](https://wordpress.org/support/users/oneruffryder/)
 * (@oneruffryder)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/undefined-index-183/)
 * Him using pro but still got this error
    Notice: Undefined index: use_iframe_title_for_parent
   in wp-content\plugins\advanced-iframe\advanced-iframe.php on line 777

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [mdempfle](https://wordpress.org/support/users/mdempfle/)
 * (@mdempfle)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/undefined-index-183/#post-15368993)
 * Hi,
 * I will take a look. Have you enabled this feature?
    btw. it is a notice. It should
   normally not appear in prod systems.
 * Best regards,
    Michael
 *  Plugin Author [mdempfle](https://wordpress.org/support/users/mdempfle/)
 * (@mdempfle)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/undefined-index-183/#post-15369054)
 * You are sure you have the latest 2022.2 ?
 *  Plugin Author [mdempfle](https://wordpress.org/support/users/mdempfle/)
 * (@mdempfle)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/undefined-index-183/#post-15369093)
 * have you upgraded from free to pro before?
    -  This reply was modified 4 years, 2 months ago by [mdempfle](https://wordpress.org/support/users/mdempfle/).
 *  Plugin Author [mdempfle](https://wordpress.org/support/users/mdempfle/)
 * (@mdempfle)
 * [4 years, 2 months ago](https://wordpress.org/support/topic/undefined-index-183/#post-15444462)
 * Any feedback here?

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Undefined index’ is closed to new replies.

 * ![](https://ps.w.org/advanced-iframe/assets/icon-128x128.png?rev=1028488)
 * [Advanced iFrame](https://wordpress.org/plugins/advanced-iframe/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/advanced-iframe/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/advanced-iframe/)
 * [Active Topics](https://wordpress.org/support/plugin/advanced-iframe/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/advanced-iframe/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/advanced-iframe/reviews/)

 * 4 replies
 * 2 participants
 * Last reply from: [mdempfle](https://wordpress.org/support/users/mdempfle/)
 * Last activity: [4 years, 2 months ago](https://wordpress.org/support/topic/undefined-index-183/#post-15444462)
 * Status: resolved