Title: while bulk plugin acti-/deactivating showed: Cannot modify header
Last modified: September 1, 2016

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# while bulk plugin acti-/deactivating showed: Cannot modify header

 *  [mpek](https://wordpress.org/support/users/mpek/)
 * (@mpek)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/while-bulk-plugin-acti-deactivating-showed-cannot-modify-header/)
 * Could be interesting to developer:
 * WPDEBUG reported:
 * `Warning: Cannot modify header information - headers already sent by (output 
   started at /home/www/mydomain/wp-content/plugins/wp2affiliate/wp2affiliate.php:
   29) in /home/www/mydomain/wp-content/plugins/qtranslate-x/qtranslate_core.php
   on line 388`
 * mydomain = replacer for Website URL
 * Hope it helps to imporve…
 * [https://wordpress.org/plugins/qtranslate-x/](https://wordpress.org/plugins/qtranslate-x/)

The topic ‘while bulk plugin acti-/deactivating showed: Cannot modify header’ is
closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/qtranslate-x_f9f9f9.svg)
 * [qTranslate X](https://wordpress.org/plugins/qtranslate-x/)
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 * [Support Threads](https://wordpress.org/support/plugin/qtranslate-x/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/qtranslate-x/unresolved/)
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 * 0 replies
 * 1 participant
 * Last reply from: [mpek](https://wordpress.org/support/users/mpek/)
 * Last activity: [9 years, 9 months ago](https://wordpress.org/support/topic/while-bulk-plugin-acti-deactivating-showed-cannot-modify-header/)
 * Status: not resolved