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[Resolved] Warning: Cannot Modify Header Information

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  • Moderator Jan Dembowski

    @jdembowski

    Brute Squad and Volunteer Moderator

    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).

    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.

    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.

    Hi,

    I can not even get to my dashboard to where try to see the problems. I go to login and then am taken to a blank page with all these warnings:

    Warning: Cannot modify header information – headers already sent by (output started at /home2/martiene/public_html/wp-content/themes/bizstudio-lite/SketchBoard/functions/sketch-enqueue.php:1) in /home2/martiene/public_html/wp-login.php on line 384

    Warning: Cannot modify header information – headers already sent by (output started at /home2/martiene/public_html/wp-content/themes/bizstudio-lite/SketchBoard/functions/sketch-enqueue.php:1) in /home2/martiene/public_html/wp-login.php on line 396

    Warning: Cannot modify header information – headers already sent by (output started at /home2/martiene/public_html/wp-content/themes/bizstudio-lite/SketchBoard/functions/sketch-enqueue.php:1) in /home2/martiene/public_html/wp-includes/pluggable.php on line 678

    Warning: Cannot modify header information – headers already sent by (output started at /home2/martiene/public_html/wp-content/themes/bizstudio-lite/SketchBoard/functions/sketch-enqueue.php:1) in /home2/martiene/public_html/wp-includes/pluggable.php on line 679

    Warning: Cannot modify header information – headers already sent by (output started at /home2/martiene/public_html/wp-content/themes/bizstudio-lite/SketchBoard/functions/sketch-enqueue.php:1) in /home2/martiene/public_html/wp-includes/pluggable.php on line 680

    Warning: Cannot modify header information – headers already sent by (output started at /home2/martiene/public_html/wp-content/themes/bizstudio-lite/SketchBoard/functions/sketch-enqueue.php:1) in /home2/martiene/public_html/wp-includes/pluggable.php on line 875

    I am new to WP and have no idea what to do from here.. I have tried uninstalling and reinstalling WP and still have the same issue… I would love some help please

    M

    paulwpxp

    @paulwp

    Font hero

    @martini1 this has nothing to do with Coraline theme

    Try delete this folder /bizstudio-lite, it looks like you have SketchBoard theme inside bizstudio-lite theme folder.

    Remove it and see if the problem goes away. If not, create a topic here

    How-To and Troubleshooting

Viewing 5 replies - 1 through 5 (of 5 total)
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