Title: Big Problem!
Last modified: August 18, 2016

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# Big Problem!

 *  [klajdi2](https://wordpress.org/support/users/klajdi2/)
 * (@klajdi2)
 * [18 years, 10 months ago](https://wordpress.org/support/topic/big-problem-3/)
 * I keep getting this message when I try to deactivate a plug in but also when 
   try to log in at admin panel!
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/klajdi2/public_html/wp-content/plugins/social_bar/social_bar.php:200)
   in /home/klajdi2/public_html/wp-includes/pluggable.php on line 275

Viewing 1 replies (of 1 total)

 *  [Bodhipaksa](https://wordpress.org/support/users/haecceity/)
 * (@haecceity)
 * [18 years, 10 months ago](https://wordpress.org/support/topic/big-problem-3/#post-567325)
 * This is often caused by having whitespace before the start or after the end of
   the opening/closing php tags in a plugin. That’s the first thing to check.

Viewing 1 replies (of 1 total)

The topic ‘Big Problem!’ is closed to new replies.

## Tags

 * [activate](https://wordpress.org/support/topic-tag/activate/)
 * [admin](https://wordpress.org/support/topic-tag/admin/)
 * [deactivate](https://wordpress.org/support/topic-tag/deactivate/)
 * [log](https://wordpress.org/support/topic-tag/log/)
 * [plug](https://wordpress.org/support/topic-tag/plug/)
 * [problem](https://wordpress.org/support/topic-tag/problem/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 1 reply
 * 2 participants
 * Last reply from: [Bodhipaksa](https://wordpress.org/support/users/haecceity/)
 * Last activity: [18 years, 10 months ago](https://wordpress.org/support/topic/big-problem-3/#post-567325)
 * Status: not resolved

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