Title: Error after update
Last modified: March 10, 2020

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# Error after update

 *  Resolved [Valdinia](https://wordpress.org/support/users/valdinia/)
 * (@valdinia)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/error-after-update-157/)
 * [10-Mar-2020 14:58:54 UTC] PHP Notice: Undefined index: action in …./wp-content/
   plugins/resmushit-image-optimizer/resmushit.php on line 141
    [10-Mar-2020 14:
   58:55 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression(
   0) in …./wp-includes/functions.php on line 4552 [10-Mar-2020 14:59:00 UTC] PHP
   Notice: Undefined index: action in …./wp-content/plugins/resmushit-image-optimizer/
   resmushit.php on line 141 [10-Mar-2020 14:59:00 UTC] PHP Notice: ob_end_flush():
   failed to send buffer of zlib output compression (0) in …./wp-includes/functions.
   php on line 4552

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [rice_crisp](https://wordpress.org/support/users/rice_crisp/)
 * (@rice_crisp)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/error-after-update-157/#post-12533480)
 * I’m seeing this as well.
 *  Plugin Contributor [reSmush.it](https://wordpress.org/support/users/resmushit/)
 * (@resmushit)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/error-after-update-157/#post-12534296)
 * Hi guys,
 * Thanks for this feedback, we’ll look at it quickly !
 * Cheers,
    Charles
 *  Plugin Contributor [reSmush.it](https://wordpress.org/support/users/resmushit/)
 * (@resmushit)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/error-after-update-157/#post-12534316)
 * Hi [@rice_crisp](https://wordpress.org/support/users/rice_crisp/) [@valdinia](https://wordpress.org/support/users/valdinia/),
 * The issue has been fixed in the last release, thanks for all!
 * Cheers,
    Charles

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Error after update’ is closed to new replies.

 * ![](https://ps.w.org/resmushit-image-optimizer/assets/icon-256x256.png?rev=3049668)
 * [reSmush.it : The original free image compressor and optimizer plugin](https://wordpress.org/plugins/resmushit-image-optimizer/)
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 * [Support Threads](https://wordpress.org/support/plugin/resmushit-image-optimizer/)
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 * 3 replies
 * 3 participants
 * Last reply from: [reSmush.it](https://wordpress.org/support/users/resmushit/)
 * Last activity: [6 years, 2 months ago](https://wordpress.org/support/topic/error-after-update-157/#post-12534316)
 * Status: resolved