Title: Warning: Undefined array key
Last modified: June 27, 2022

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# Warning: Undefined array key

 *  [Ruslan](https://wordpress.org/support/users/crashxru/)
 * (@crashxru)
 * [3 years, 11 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-9/)
 * Wordpress 6.0
 * Warning: Undefined array key “metrica_informer” in /sites/EXAMPLE.COM/wp-includes/
   class-wp-customize-widgets.php on line 1088
    Warning: Trying to access array 
   offset on value of type null in /sites/EXAMPLE.COM/wp-includes/class-wp-customize-
   widgets.php on line 1088
 * Warning: Undefined array key “metrica_informer” in /sites/EXAMPLE.COM/wp-includes/
   class-wp-customize-widgets.php on line 1089
    Warning: Trying to access array 
   offset on value of type null in /sites/EXAMPLE.COM/wp-includes/class-wp-customize-
   widgets.php on line 1089
 * Warning: Undefined array key “metrica_informer” in /sites/EXAMPLE.COM/wp-includes/
   class-wp-customize-widgets.php on line 602
    Warning: Trying to access array offset
   on value of type null in /sites/EXAMPLE.COM/wp-includes/class-wp-customize-widgets.
   php on line 602

The topic ‘Warning: Undefined array key’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [Ruslan](https://wordpress.org/support/users/crashxru/)
 * Last activity: [3 years, 11 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-9/)
 * Status: not resolved