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1. lauriemaefly
   Member
   Posted 3 months ago #
   

   Updated Coraline theme recently and just updated WordPress version.

   Can't login to my site via WordPress anymore. login page: http://nowwrite.net/wp-login.php

   These warnings appear at the top of the page:

   Warning: Cannot modify header information - headers already sent by (output started at /home/content/76/6774376/html/wp-content/themes/coraline/functions.php:1) in /home/content/76/6774376/html/wp-login.php on line 368

   Warning: Cannot modify header information - headers already sent by (output started at /home/content/76/6774376/html/wp-content/themes/coraline/functions.php:1) in /home/content/76/6774376/html/wp-login.php on line 380

   When I attempt to login in these lines are added to the top of the page:

   Warning: Cannot modify header information - headers already sent by (output started at /home/content/76/6774376/html/wp-content/themes/coraline/functions.php:1) in /home/content/76/6774376/html/wp-includes/pluggable.php on line 680

   Warning: Cannot modify header information - headers already sent by (output started at /home/content/76/6774376/html/wp-content/themes/coraline/functions.php:1) in /home/content/76/6774376/html/wp-includes/pluggable.php on line 681

   Warning: Cannot modify header information - headers already sent by (output started at /home/content/76/6774376/html/wp-content/themes/coraline/functions.php:1) in /home/content/76/6774376/html/wp-includes/pluggable.php on line 682

   Warning: Cannot modify header information - headers already sent by (output started at /home/content/76/6774376/html/wp-content/themes/coraline/functions.php:1) in /home/content/76/6774376/html/wp-includes/pluggable.php on line 876

2. Jan Dembowski
   Volunteer Mod. & Brute Squad
   Posted 3 months ago #
   

   Give this a read regarding the headers already sent error message.

   http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F

   It's usually your wp-config.php file that's the culprit (unless you edited the theme files).

3. technogizmo
   Member
   Posted 3 months ago #
   

   I had a whole set of problems, and the FAQ above helped me solve a lot of them, plus some other threads gave good advice to completely delete the wp-admin folder and the wp-includes folder (after backing EVERYTHING up first, of course). Reinstall both from a clean, fresh download of WordPress (whatever version you just upgraded to).

   Those solutions solved all my problems but one. I got the same errors referencing the pluggable.php file.

   If you have access to your php.ini file, BACK IT UP, then simply change the output buffering to "on". Here is the default:

   output_buffering = off

   Here is what you change it to:

   output_buffering = on

   If you don't have access to your php.ini file, call your hosting company. They may have it under a different name, or have a different way you can set that.

   One last note, if you download your php.ini file to edit it on your own computer, use a plain text editor (like Notepad) that can save it in UTF-8 format. This is very important.

4. frazersan
   Member
   Posted 3 weeks ago #
   

   i face a same problem @ http://www.kishorgonj.com where i had use sideber login plugins,
   after facing the problem i rename the sideber login plugin using FTP. Then Try to login -
   (my domain)/wp-admin/ i found my problem has solved.

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