I recently had to restore my blog because I was hacked and I did so by deleting some core files and plugins and re-uploading them like it says to do in this tutorial. Once I uploaded the plugins back I can't make any changes to the plugins and the other admins can't login. I seem to be getting this message when they go to this page to login... /wp-admin The error message Warning: Cannot modify header information - headers already sent by (output started at /home/content/m/o/e/moeworkout/html/wp-content/themes/thesis_17/custom/custom_functions.php:2) in /home/content/m/o/e/moeworkout/html/wp-includes/pluggable.php on line 868 Code (markup):
Nevermind I figured it out thanks to this article. http://www.themepremium.com/wordpress-problem-wp-includespluggable-php-on-line-865-solved/