Title: Undefined Array on filtering
Last modified: February 26, 2024

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# Undefined Array on filtering

 *  Resolved [Scholto Bos](https://wordpress.org/support/users/scholtobos/)
 * (@scholtobos)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/undefined-array-on-filtering/)
 * Hi, I’,m getting a undefined array warning on filtering in the archive page. 
   Please see link to check it yourself. It happens with all filters.
 *     ```wp-block-code
       Warning: Undefined array key "taxonomy" in /home/p15933/domains/finler.nl/public_html/wp-content/plugins/woocommerce/src/Internal/ProductAttributesLookup/Filterer.php on line 153
       ```
   
 * Looks like my site isn’t checking if the key `taxonomy` exists before using it.
   How can I fix this?
 * Kind regards, Scholto
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fundefined-array-on-filtering%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  [carolm29 (woo-hc)](https://wordpress.org/support/users/carolm29/)
 * (@carolm29)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/undefined-array-on-filtering/#post-17453628)
 * Hey there, [@scholtobos](https://wordpress.org/support/users/scholtobos/)! Thanks
   for contacting us. I’m happy to help you.
 * I checked your website and I was able to see the erro message on my end.
 * Do you have any custom code on this site? It could be causing this issue.
 * Furthermore, I’d like to understand your site properly. Please share with us 
   the necessary information below for us to investigate the issue further:
 * System Status Report which you can find via WooCommerce > Status > Get system
   report > Copy for support.
   Fatal error logs (if any) under WooCommerce > Status
   > Logs. Then you can use the selector to search for Fatal Errors.You could copy
   and paste your reply here or paste it via [https://gist.github.com/](https://gist.github.com/)
   and send the link here.
 * Looking forward to your reply.
 * Have a wonderful day!
 *  Thread Starter [Scholto Bos](https://wordpress.org/support/users/scholtobos/)
 * (@scholtobos)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/undefined-array-on-filtering/#post-17457599)
 * [@carol](https://wordpress.org/support/users/carol/) No errors in log. I use 
   the filtering widget from the Woodmart theme with the possibilty to set OR / 
   AND filtering. When changing OR into AND the error disappeared. Maybe you can
   do something with this information too [@sofia](https://wordpress.org/support/users/sofia/).
 * Have a nice evening.
    -  This reply was modified 2 years, 3 months ago by [Scholto Bos](https://wordpress.org/support/users/scholtobos/).
 *  [carolm29 (woo-hc)](https://wordpress.org/support/users/carolm29/)
 * (@carolm29)
 * [2 years, 3 months ago](https://wordpress.org/support/topic/undefined-array-on-filtering/#post-17457774)
 * Hey, [@scholtobos](https://wordpress.org/support/users/scholtobos/)!
 * Thanks for sharing the solution and contributing to the WooCommerce Community!
 * I’ll mark this as solved, okay?
 * Please let us know if there’s anything else we can do to help or if you have 
   any questions.
 * Hey, [@sofianespera](https://wordpress.org/support/users/sofianespera/)!
 * If the solution shared does not work, per WordPress forum guidelines, would you
   mind opening up a new thread for this so that we can keep things organized and
   offer more personalized support for you?
 * This issue might be specific to the third-party theme, but we’ll do everything
   we can to help or guide you to the right direction.
 * Have a wonderful day!

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

The topic ‘Undefined Array on filtering’ is closed to new replies.

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 * 3 replies
 * 3 participants
 * Last reply from: [carolm29 (woo-hc)](https://wordpress.org/support/users/carolm29/)
 * Last activity: [2 years, 3 months ago](https://wordpress.org/support/topic/undefined-array-on-filtering/#post-17457774)
 * Status: resolved