Title: PHP warnings
Last modified: September 13, 2022

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# PHP warnings

 *  [gkhillboro](https://wordpress.org/support/users/gkhillboro/)
 * (@gkhillboro)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-138/)
 * Hi, we have turned on debugging and only see the following warnings.
 * We have tested with 2022 theme and all other plugins deactivated.
 * Please could you advise us? Thank you.
 *     ```
       Warning: session_start(): open(/var/cpanel/php/sessions/ea-php72/sess_9f99ccbdac7664b857df39be68b2b8b2, O_RDWR) failed: No such file or directory (2) in /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php on line 145
   
       Warning: session_start(): Failed to read session data: files (path: /var/cpanel/php/sessions/ea-php72) in /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php on line 145
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/sites/20b/2/2996d93d6b/public_html/wp-admin/includes/misc.php on line 1381
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/sites/20b/2/2996d93d6b/public_html/wp-includes/functions.php on line 6878
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/sites/20b/2/2996d93d6b/public_html/wp-includes/pluggable.php on line 1421
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/sites/20b/2/2996d93d6b/public_html/wp-includes/pluggable.php on line 1424
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/sites/20b/2/2996d93d6b/public_html/wp-includes/pluggable.php on line 1421
   
       Warning: Cannot modify header information - headers already sent by (output started at /home/sites/20b/2/2996d93d6b/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/sites/20b/2/2996d93d6b/public_html/wp-includes/pluggable.php on line 1424
       ```
   
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fphp-warnings-138%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Thread Starter [gkhillboro](https://wordpress.org/support/users/gkhillboro/)
 * (@gkhillboro)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-138/#post-16004946)
 * FYI – we have tried at PHP8.0 and 7.4, warnings are present at both versions.
   Thanks.

Viewing 1 replies (of 1 total)

The topic ‘PHP warnings’ is closed to new replies.

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 * 1 reply
 * 1 participant
 * Last reply from: [gkhillboro](https://wordpress.org/support/users/gkhillboro/)
 * Last activity: [3 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-138/#post-16004946)
 * Status: not resolved