Title: “Undefined array key”
Last modified: March 31, 2026

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# “Undefined array key”

 *  Resolved [boxhamster](https://wordpress.org/support/users/boxhamster/)
 * (@boxhamster)
 * [1 month, 3 weeks ago](https://wordpress.org/support/topic/undefined-array-key-65/)
 * Hi,
   Just installed the plugin yesterday and noticed 2 errors in my debug.log 
   I wanted to point out, in case it’s something you want to take care of.
 * [31-Mar-2026 12:15:11 UTC] PHP Warning: Undefined array key “XK” in /home/xxx/
   public_html/wp-content/plugins/woo-multi-currency/includes/data.php on line 408
   [
   31-Mar-2026 12:29:19 UTC] PHP Warning: Undefined array key “PS” in /home/xxx/
   public_html/wp-content/plugins/woo-multi-currency/includes/data.php on line 408Thanks

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

 *  Plugin Author [mytrinh](https://wordpress.org/support/users/mytrinh/)
 * (@mytrinh)
 * [1 month, 3 weeks ago](https://wordpress.org/support/topic/undefined-array-key-65/#post-18868589)
 * Hi,
 * Thank you for reaching out to us.
 * I’ve passed the information to our developers, and they are looking into this
   issue.
 * Please monitor this topic for further updates. We will notify you as soon as 
   our developers have feedback.
 * Thank you for your patience and understanding.
 * Best regards.
 *  Plugin Author [mytrinh](https://wordpress.org/support/users/mytrinh/)
 * (@mytrinh)
 * [1 month, 2 weeks ago](https://wordpress.org/support/topic/undefined-array-key-65/#post-18874546)
 * Hi,
 * Great news.
 * We have officially released Version 2.2.13, which includes a fix for the issue
   you reported. Could you please update to the latest version and let us know if
   everything is working correctly now?
 * Best regards.
 *  Thread Starter [boxhamster](https://wordpress.org/support/users/boxhamster/)
 * (@boxhamster)
 * [1 month, 2 weeks ago](https://wordpress.org/support/topic/undefined-array-key-65/#post-18875378)
 * Excellent news. Thanks for solving the issue.
 *  Plugin Author [mytrinh](https://wordpress.org/support/users/mytrinh/)
 * (@mytrinh)
 * [1 month, 2 weeks ago](https://wordpress.org/support/topic/undefined-array-key-65/#post-18876698)
 * Hi,
 * I’m so happy to hear that. It was our pleasure to get this resolved for you.
 * If you have any further questions, please feel free to reach out to us anytime.
 * Best regards.

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

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 * ![](https://ps.w.org/woo-multi-currency/assets/icon-128x128.gif?rev=3089832)
 * [CURCY - Multi Currency for WooCommerce - Smoothly on WooCommerce 9.x](https://wordpress.org/plugins/woo-multi-currency/)
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 * 4 replies
 * 3 participants
 * Last reply from: [mytrinh](https://wordpress.org/support/users/mytrinh/)
 * Last activity: [1 month, 2 weeks ago](https://wordpress.org/support/topic/undefined-array-key-65/#post-18876698)
 * Status: resolved