Title: Pluggable error
Last modified: August 19, 2016

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# Pluggable error

 *  [interjoy](https://wordpress.org/support/users/interjoy/)
 * (@interjoy)
 * [17 years, 8 months ago](https://wordpress.org/support/topic/pluggable-error/)
 * Hi, i have installed a new version of WordPress. I have backup my site, en uploaded,
   when i will login or activate a plugin is see this error
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/ajaxupdate/domains/ajaxupdate.nl/public_html/wp-content/plugins/alakhnors-
   post-thumb/post-thumb-widgets.php:1281) in /home/ajaxupdate/domains/ajaxupdate.
   nl/public_html/wp-includes/pluggable.php on line 770
 * can anybody help me ?
 * thanks

Viewing 1 replies (of 1 total)

 *  [MichaelH](https://wordpress.org/support/users/michaelh/)
 * (@michaelh)
 * [17 years, 8 months ago](https://wordpress.org/support/topic/pluggable-error/#post-860169)
 * I’d delete the wp-content/plugins/alakhnors-post-thumb folder and get the latest
   version of the plugin from the author.

Viewing 1 replies (of 1 total)

The topic ‘Pluggable error’ is closed to new replies.

## Tags

 * [pluggable](https://wordpress.org/support/topic-tag/pluggable/)

 * 1 reply
 * 2 participants
 * Last reply from: [MichaelH](https://wordpress.org/support/users/michaelh/)
 * Last activity: [17 years, 8 months ago](https://wordpress.org/support/topic/pluggable-error/#post-860169)
 * Status: not resolved

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