Title: Header Warnings in Debug Mode
Last modified: June 16, 2017

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# Header Warnings in Debug Mode

 *  [Sky007000](https://wordpress.org/support/users/sky007000/)
 * (@sky007000)
 * [8 years, 11 months ago](https://wordpress.org/support/topic/header-warnings-in-debug-mode/)
 * I get this message in debug mode:
 * >  Warning: Cannot modify header information – headers already sent by (output
   > started at …./wp-content/plugins/wp-mail-bank/includes/translations.php:1) 
   > in …./wp-includes/option.php on line 837
   > Warning: Cannot modify header information – headers already sent by (output
   > started at …./wp-content/plugins/wp-mail-bank/includes/translations.php:1) 
   > in …./wp-includes/option.php on line 838
 * I don’t see it affecting the site yet, but I have had other plugins cause issues
   with this.

The topic ‘Header Warnings in Debug Mode’ is closed to new replies.

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## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [Sky007000](https://wordpress.org/support/users/sky007000/)
 * Last activity: [8 years, 11 months ago](https://wordpress.org/support/topic/header-warnings-in-debug-mode/)
 * Status: not resolved