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1. vdsn
   Member
   Posted 1 year ago #
   

   getting this error message when trying to activate the plugin.

   "Plugin could not be activated because it triggered a fatal error."

   Anyone know why or how to resolve this?

   thanks!

   http://wordpress.org/extend/plugins/wp-ui/

2. kavingray
   Member
   Plugin Author
   Posted 1 year ago #
   

   Certainly, but first - I'm gonna need a bit of information on Server (PHP version ) and list of plugins for that might be interfering with the activation. :)

3. vdsn
   Member
   Posted 1 year ago #
   

   thanks for getting back!

   PHP Version : 5.2.17

   turned debug on in wp-config & noticed this.

   Warning: Cannot modify header information - headers already sent by (output started at /wp-includes/functions.php:3553) in /wp-includes/pluggable.php on line 866

4. vdsn
   Member
   Posted 1 year ago #
   

   And here is my plugin list. thanks!

   Advanced Excerpt
   Ajax Event Calendar
   Akismet
   Better Adjacent Post Links
   Capability Manager
   CMS Tree Page View
   Embed Iframe
   Google Analytics for WordPress
   Hana Flv Player
   IE6 Upgrade Option
   jQuery Mega Menu
   Login LockDown
   Multiple content blocks
   NextGEN Gallery
   Raw HTML
   Search Light
   Share Buttons by Lockerz / AddToAny
   Simple 301 Redirects
   TinyMCE Advanced
   User Photo
   Video.js - HTML5 Video Player for WordPress
   WordPress Tooltip
   WP-DBManager
   WP-prettyPhoto
   WP-Print
   WPaudio
   WP Hide Post
   WP System Health

5. kavingray
   Member
   Plugin Author
   Posted 1 year ago #
   

   I think there is another silent error/warning being thrown somewhere. And none of the plugins looks like could be conflict causing. Temporarily disabling all plugins and enabling one by one might help finding the conflict more quickly.

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