Title: PHP Warning: Undefined array key &#8220;prefixes&#8221;
Last modified: March 20, 2026

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# PHP Warning: Undefined array key “prefixes”

 *  [xmxg](https://wordpress.org/support/users/xmxg/)
 * (@xmxg)
 * [4 weeks, 1 day ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-prefixes/)
 * FYI – From my error logs today
 * [20-Mar-2026 09:59:49 UTC] PHP Warning: Undefined array key “prefixes” in /home/[
   mysitename]/public_html/wp-content/plugins/all-in-one-wp-security-and-firewall/
   classes/wp-security-utility.php on line 1301
 * [20-Mar-2026 09:59:49 UTC] PHP Warning: foreach() argument must be of type array
   |object, null given in /home/[mysitename]/public_html/wp-content/plugins/all-
   in-one-wp-security-and-firewall/classes/wp-security-utility.php on line 1301

Viewing 1 replies (of 1 total)

 *  Plugin Support [hjogiupdraftplus](https://wordpress.org/support/users/hjogiupdraftplus/)
 * (@hjogiupdraftplus)
 * [3 weeks, 6 days ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-prefixes/#post-18859130)
 * Hi [@xmxg](https://wordpress.org/support/users/xmxg/),
 * Thanks for raising the issue. It seems the Google bot IP ranges are not fetched.
   It does have prefixes as an array key. I will create an internal ticket to check
   this issue.
 * [https://developers.google.com/static/search/apis/ipranges/googlebot.json](https://developers.google.com/static/search/apis/ipranges/googlebot.json)
 * Regards

Viewing 1 replies (of 1 total)

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 * 1 reply
 * 4 participants
 * Last reply from: [hjogiupdraftplus](https://wordpress.org/support/users/hjogiupdraftplus/)
 * Last activity: [3 weeks, 6 days ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-prefixes/#post-18859130)
 * Status: not resolved