Title: PHP 8.1 Warning / Error
Last modified: January 13, 2023

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# PHP 8.1 Warning / Error

 *  Resolved [bigbatsbutt](https://wordpress.org/support/users/djixas/)
 * (@djixas)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/php-8-1-warning-error/)
 * Hi, I’ve upgraded to PHP 8.1 and noticed that error_log is now being filled with
   this error, using PRO version, 6.0.4. Is there a quick fix?
 * [13-Jan-2023 16:24:14 UTC] PHP Warning: Attempt to read property “value” on null
   in /home/xxxxx/public_html/wp-content/plugins/301-redirects/libs/utility.php 
   on line 373
   [13-Jan-2023 16:24:18 UTC] PHP Warning: Attempt to read property “
   value” on null in /home/xxxxx/public_html/wp-content/plugins/301-redirects/libs/
   utility.php on line 373

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [Alexandru Tapuleasa](https://wordpress.org/support/users/talextech/)
 * (@talextech)
 * [3 years, 5 months ago](https://wordpress.org/support/topic/php-8-1-warning-error/#post-16371242)
 * Hi,
 * Sorry to hear about your issue but this forum is only for the free version. Please
   contact us through the support widget in the bottom right of the plugin Settings
   page or through the website and our PRO support team will help you out 🙂
 *  Thread Starter [bigbatsbutt](https://wordpress.org/support/users/djixas/)
 * (@djixas)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/php-8-1-warning-error/#post-16372287)
 * Hi, it looks like this error is coming from non PRO version part? So I would 
   love for anyone else who googles this to find issue and solution, also this error
 * [14-Jan-2023 02:43:42 UTC] PHP Warning: Undefined property: WhichBrowser\Model\
   Browser::$version in /home/xxxxx/public_html/wp-content/plugins/301-redirects/
   libs/utility.php on line 373
    -  This reply was modified 3 years, 4 months ago by [bigbatsbutt](https://wordpress.org/support/users/djixas/).

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘PHP 8.1 Warning / Error’ is closed to new replies.

 * ![](https://ps.w.org/eps-301-redirects/assets/icon-256x256.png?rev=2413221)
 * [301 Redirects - Redirect Manager](https://wordpress.org/plugins/eps-301-redirects/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/eps-301-redirects/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/eps-301-redirects/)
 * [Active Topics](https://wordpress.org/support/plugin/eps-301-redirects/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/eps-301-redirects/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/eps-301-redirects/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [bigbatsbutt](https://wordpress.org/support/users/djixas/)
 * Last activity: [3 years, 4 months ago](https://wordpress.org/support/topic/php-8-1-warning-error/#post-16372287)
 * Status: resolved