Title: misterious error?!?!
Last modified: August 20, 2016

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# misterious error?!?!

 *  Resolved [dskmusic](https://wordpress.org/support/users/dskmusic/)
 * (@dskmusic)
 * [13 years, 4 months ago](https://wordpress.org/support/topic/misterious-error/)
 * all is working fine until today, I have some error messages, triying to deactiva-
   activate plugin says:
 * **The plugin generated 406 characters of unexpected output during activation.
   If you notice “headers already sent” messages, problems with syndication feeds
   or other issues, try deactivating or removing this plugin.**
 * and all post on my site are hidden, and getting this error:
 * **Warning: Parameter 1 to ace_where() expected to be a reference, value given
   in /home/dskmusic/public_html/wp-includes/plugin.php on line 230**
 * Warning: Parameter 1 to ace_join() expected to be a reference, value given in/
   home/dskmusic/public_html/wp-includes/plugin.php on line 230
 * what happend???
 * thanks
 * [http://wordpress.org/extend/plugins/advanced-category-excluder/](http://wordpress.org/extend/plugins/advanced-category-excluder/)

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

 *  Plugin Author [DjZoNe](https://wordpress.org/support/users/djzone/)
 * (@djzone)
 * [13 years, 2 months ago](https://wordpress.org/support/topic/misterious-error/#post-3446124)
 * Upgrade to 1.4.4 and it will be solved 🙂
 *  Thread Starter [dskmusic](https://wordpress.org/support/users/dskmusic/)
 * (@dskmusic)
 * [13 years, 2 months ago](https://wordpress.org/support/topic/misterious-error/#post-3446125)
 * and about the error in version of widget? after update to 1.4.4 a pending update
   of this modules is always active… I updated manually and directly from my wordpress,
   and gets the same result. I have to change manually the version number in the
   php of the widget

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

The topic ‘misterious error?!?!’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/advanced-category-excluder.svg)
 * [Advanced Category Excluder](https://wordpress.org/plugins/advanced-category-excluder/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/advanced-category-excluder/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/advanced-category-excluder/)
 * [Active Topics](https://wordpress.org/support/plugin/advanced-category-excluder/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/advanced-category-excluder/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/advanced-category-excluder/reviews/)

 * 2 replies
 * 2 participants
 * Last reply from: [dskmusic](https://wordpress.org/support/users/dskmusic/)
 * Last activity: [13 years, 2 months ago](https://wordpress.org/support/topic/misterious-error/#post-3446125)
 * Status: resolved