Title: PHP Warnings
Last modified: September 11, 2019

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# PHP Warnings

 *  Resolved [amaucep](https://wordpress.org/support/users/amaucep/)
 * (@amaucep)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-85/)
 * Hi,
 * Plugin version : Version 2.1.1 (FREE)
 * When I access to « Hummingbird » >> « Page Caching » >> « Configure » I have 
   the following messages :
 * PHP Notice: Undefined index: cookies \wp-content\plugins\hummingbird-performance\
   admin\views\caching\page-caching-meta-box.php on line 420
    PHP Warning: join():
   Invalid arguments passed in \wp-content\plugins\hummingbird-performance\admin\
   views\caching\page-caching-meta-box.php on line 420
 * Can you help us ?
 * Thanks

Viewing 1 replies (of 1 total)

 *  [Anton Vanyukov](https://wordpress.org/support/users/vanyukov/)
 * (@vanyukov)
 * [6 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-85/#post-11923488)
 * [@amaucep](https://wordpress.org/support/users/amaucep/),
 * Re-saving the settings on the page should resolve the warning.
 * Best regards,
    Anton

Viewing 1 replies (of 1 total)

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

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 * 1 reply
 * 2 participants
 * Last reply from: [Anton Vanyukov](https://wordpress.org/support/users/vanyukov/)
 * Last activity: [6 years, 8 months ago](https://wordpress.org/support/topic/php-warnings-85/#post-11923488)
 * Status: resolved