Title: Apache Errors on Article save
Last modified: August 21, 2016

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# Apache Errors on Article save

 *  Resolved [benhartwich](https://wordpress.org/support/users/yoursql719/)
 * (@yoursql719)
 * [12 years ago](https://wordpress.org/support/topic/apache-errors-on-article-save/)
 * Hi,
 * every time I save a post, I get an apache error written: [error] PHP Warning:
   call_user_func_array() expects parameter 1 to be a valid callback, cannot access
   private method wp_piwik::onPostStatusTransition() in /vda3/var/www/httpdocs/wp-
   includes/plugin.php on line 470, referer: [http://www.xy.com/wp-admin/post.php?post=916&action=edit](http://www.xy.com/wp-admin/post.php?post=916&action=edit)
 * Can you tell me, what´s going on?
 * I use a WordPress Multisite and Piwik 2.3.0. Do you need any further information?
 * best,
 * Ben
 * [https://wordpress.org/plugins/wp-piwik/](https://wordpress.org/plugins/wp-piwik/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [braekling](https://wordpress.org/support/users/braekling/)
 * (@braekling)
 * [12 years ago](https://wordpress.org/support/topic/apache-errors-on-article-save/#post-4955985)
 * [http://wordpress.org/support/topic/warning-message-everywhere-in-the-backend-call_user_func_array-expects?replies=2](http://wordpress.org/support/topic/warning-message-everywhere-in-the-backend-call_user_func_array-expects?replies=2)

Viewing 1 replies (of 1 total)

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## Tags

 * [apache](https://wordpress.org/support/topic-tag/apache/)
 * [piwik](https://wordpress.org/support/topic-tag/piwik/)
 * [post](https://wordpress.org/support/topic-tag/post/)
 * [save](https://wordpress.org/support/topic-tag/save/)

 * 1 reply
 * 2 participants
 * Last reply from: [braekling](https://wordpress.org/support/users/braekling/)
 * Last activity: [12 years ago](https://wordpress.org/support/topic/apache-errors-on-article-save/#post-4955985)
 * Status: resolved