Title: Undefined array key “app_window”
Last modified: June 30, 2026

---

# Undefined array key “app_window”

 *  Resolved [kaboemnld](https://wordpress.org/support/users/kaboemnld/)
 * (@kaboemnld)
 * [2 weeks, 1 day ago](https://wordpress.org/support/topic/undefined-array-key-app_window/)
 * Hello,
 * i get this error after updating to latest version, divi 4.27.6 and wordpress 
   6.9.2
 * [30-Jun-2026 03:47:29 UTC] PHP Warning: Undefined array key “app_window” in /
   home/u74339p145570/domains/public_html/wp-content/plugins/wp-seopress/src/Services/
   EnqueueModuleMetabox.php on line 54

Viewing 1 replies (of 1 total)

 *  Plugin Author [Benjamin Denis](https://wordpress.org/support/users/rainbowgeek/)
 * (@rainbowgeek)
 * [2 weeks, 1 day ago](https://wordpress.org/support/topic/undefined-array-key-app_window/#post-18951731)
 * Hi,
 * thank you for your feedback.
 * We’ll fix this with our next update.

Viewing 1 replies (of 1 total)

You must be [logged in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fundefined-array-key-app_window%2F%3Foutput_format%3Dmd&locale=en_US)
to reply to this topic.

 * ![](https://ps.w.org/wp-seopress/assets/icon-128x128.gif?rev=3158903)
 * [SEOPress - AI SEO Plugin & On-site SEO](https://wordpress.org/plugins/wp-seopress/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-seopress/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-seopress/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-seopress/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-seopress/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-seopress/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Benjamin Denis](https://wordpress.org/support/users/rainbowgeek/)
 * Last activity: [2 weeks, 1 day ago](https://wordpress.org/support/topic/undefined-array-key-app_window/#post-18951731)
 * Status: resolved