Title: Warning — Undefined array key “is_storefront_api”
Last modified: November 9, 2022

---

# Warning — Undefined array key “is_storefront_api”

 *  Resolved [glenfeed](https://wordpress.org/support/users/glenfeed/)
 * (@glenfeed)
 * [3 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-is_storefront_api/)
 * Hello!
 * This is Glen from Ecwid by Lightspeed support. One of our customers found this
   warning by using your plugin:
 *     ```
       Warning
       Undefined array key "is_storefront_api"
   
       wp-content/plugins/ecwid-shopping-cart/includes/class-ecwid-static-page.php:136
       Ecwid_Static_Page::_maybe_fetch_data()
       Plugin: ecwid-shopping-cart
       ```
   
 * Screenshot: [https://ecwid.d.pr/i/ycoZU9](https://ecwid.d.pr/i/ycoZU9)
    Website:
   [https://www.coclico.de/shop/](https://www.coclico.de/shop/)
 * Can you please help me to understand what does that warning means and how to 
   get rid of it?
 * Thank you!
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwarning-undefined-array-key-is_storefront_api%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [John Blackbourn](https://wordpress.org/support/users/johnbillion/)
 * (@johnbillion)
 * WordPress Core Developer
 * [3 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-is_storefront_api/#post-16181727)
 * You should get in touch with the author of the ecwid-shopping-cart about this.

Viewing 1 replies (of 1 total)

The topic ‘Warning — Undefined array key “is_storefront_api”’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [John Blackbourn](https://wordpress.org/support/users/johnbillion/)
 * Last activity: [3 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-is_storefront_api/#post-16181727)
 * Status: resolved