Title: PHP Warning: class-wp-theme-json-gutenberg.php
Last modified: June 12, 2025

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# PHP Warning: class-wp-theme-json-gutenberg.php

 *  Resolved [swddanny](https://wordpress.org/support/users/swddanny/)
 * (@swddanny)
 * [11 months, 4 weeks ago](https://wordpress.org/support/topic/php-warning-class-wp-theme-json-gutenberg-php/)
 * Hello,
 * We are getting the following PHP Warnings in our Error Log file:
 * PHP Warning: Undefined array key “slug” in /home/customer/www/*/public_html/wp-
   content/plugins/gutenberg/lib/class-wp-theme-json-gutenberg.php on line 2132
 * PHP Warning: Undefined array key “slug” in /home/customer/www/*/public_html/wp-
   content/plugins/gutenberg/lib/class-wp-theme-json-gutenberg.php on line 2178
 * The website is up to date and all of the plugins are regularly updated. Can you
   please help us fix this?
 * Thank you in advance.
 * Danny
    -  This topic was modified 11 months, 4 weeks ago by [swddanny](https://wordpress.org/support/users/swddanny/).

The topic ‘PHP Warning: class-wp-theme-json-gutenberg.php’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [swddanny](https://wordpress.org/support/users/swddanny/)
 * Last activity: [6 months, 1 week ago](https://wordpress.org/support/topic/php-warning-class-wp-theme-json-gutenberg-php/)
 * Status: resolved