Title: Get "Cannot modify header information" error message
Last modified: August 20, 2016

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# Get "Cannot modify header information" error message

 *  Resolved [sleeplessindc](https://wordpress.org/support/users/sleeplessindc/)
 * (@sleeplessindc)
 * [13 years, 2 months ago](https://wordpress.org/support/topic/get-cannot-modify-header-information-error-message/)
 * After setting up this plugin, I get the following error messages displayed in
   all my admin pages:
 * Warning: Cannot modify header information – headers already sent by (output started
   at /xxxxx/wp-content/plugins/jps-get-rss-feed/jp_get_rss_feed_items.php:197) 
   in /xxxxx/wp-content/plugins/si-contact-form/wp-session/class-wp-session.php 
   on line 92
 * Warning: Cannot modify header information – headers already sent by (output started
   at /xxxxx/wp-content/plugins/jps-get-rss-feed/jp_get_rss_feed_items.php:197) 
   in /xxxxx/wp-includes/pluggable.php on line 876
 * How do I fix this?
 * [http://wordpress.org/extend/plugins/jps-get-rss-feed/](http://wordpress.org/extend/plugins/jps-get-rss-feed/)

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

 *  Thread Starter [sleeplessindc](https://wordpress.org/support/users/sleeplessindc/)
 * (@sleeplessindc)
 * [13 years, 2 months ago](https://wordpress.org/support/topic/get-cannot-modify-header-information-error-message/#post-3613001)
 * I’m not sure what fixed it, but in my functions.php I changed cssclass from rssblue
   to jpgetrssfeed and deleted the rssblue from my css. Then I changed getdesc from
   true to false. Then changed the css class in the settings to blank. Now it works.
 *  Plugin Author [jp2112](https://wordpress.org/support/users/jp2112/)
 * (@jp2112)
 * [13 years, 1 month ago](https://wordpress.org/support/topic/get-cannot-modify-header-information-error-message/#post-3613096)
 * Thanks for reporting this. I’ll try to address this in the next version.

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

The topic ‘Get "Cannot modify header information" error message’ is closed to new
replies.

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## Tags

 * [Cannot modify header information](https://wordpress.org/support/topic-tag/cannot-modify-header-information/)
 * [warning](https://wordpress.org/support/topic-tag/warning/)

 * 2 replies
 * 2 participants
 * Last reply from: [jp2112](https://wordpress.org/support/users/jp2112/)
 * Last activity: [13 years, 1 month ago](https://wordpress.org/support/topic/get-cannot-modify-header-information-error-message/#post-3613096)
 * Status: resolved