Title: Warning: Cannot modify header information Last modified: August 21, 2016 --- # Warning: Cannot modify header information * [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/) * Hello .. * I’m really having some problems with my site, i can’t access the ADMIN page.. * [http://www.nossofuturoroubado.com.br/portal/wp-admin/](http://www.nossofuturoroubado.com.br/portal/wp-admin/) * I’ve tried all the info in the links below, but the error persists… * I’ve checked the beggining and the end of the php files, i’ve deleted the theme, i added some info, but no success.. * PLEASE HELP ME.. i’m new to wordpress.. * [http://wordpress.org/support/topic/warning-cannot-modify-header-information-39?replies=4](http://wordpress.org/support/topic/warning-cannot-modify-header-information-39?replies=4) [http://www.themepremium.com/wordpress-problem-wp-includespluggable-php-on-line-865-solved/](http://www.themepremium.com/wordpress-problem-wp-includespluggable-php-on-line-865-solved/) [http://wordpress.org/support/topic/wp-includespluggablephp-on-line-866-can-not-solve-it-at-all](http://wordpress.org/support/topic/wp-includespluggablephp-on-line-866-can-not-solve-it-at-all) Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/page/2/?output_format=md) [→](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/page/2/?output_format=md) * [esmi](https://wordpress.org/support/users/esmi/) * (@esmi) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862327) * Try reviewing [Solving “headers already sent” warnings](http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F) * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862336) * I’ve tried it.. * in pluggable.php, and i’ve checked for in the files that are have the error.. * And it still doesn’t work..Is there any chance i can send you my password to see what is happening? I’m searching for the resolution of this problem for some weeks, i’ve tried lots of things… * Forgive my poor english * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862490) * PLEASE could somebody help me??? * [mechx1](https://wordpress.org/support/users/mechx1/) * (@mechx1) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862491) * Did you do ANYTHING to wp-config.php before this happened? * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862510) * thanks for your response mechx1.. * the person responsable for the site made a backup (last week).. and he added the new theme we bought (regolith).. after that, it stopped working… i’ve uploaded the new wordpress 3.9, but the error persists.. * it’s the first time I work with wordpress, so i’m really lost here.. * i’ve given my client my word that I would fix it, but it really seems impossible.. * [mechx1](https://wordpress.org/support/users/mechx1/) * (@mechx1) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862514) * It is just code, a fix is always possible. * I would check in with tech support at themeforest to see if they have any ideas. Since that update is the last thing that happened, it is the first place to look. * Your error message would indicate a space or some set of HTML tags appearing before the opening . If it does, consider removing it temporarily and re-loading wp-config. It is not strictly necessary, and may be causing this error. * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862522) * **opening : ** * I tried removing it.. And uploading it again… * This is really giving me an headache.. * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862523) * I’m sending an e-mail to the support from the theme i’ve bought.. * Lets see if they can help me.. Anyways, if I sent you the access info could you give a look on it for me? I work with HTML/CSS for some time, but never had worked with wordpress. * This is so confusing.! * [Shailesh](https://wordpress.org/support/users/shaileshsavaliya/) * (@shaileshsavaliya) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862526) * This error normally generate due to extra space outside braces. If you can’t find spaces, you can… Try below code… * In your theme’s functions.php * ``` ``` * add ob_start(); at top of file and ob_clean(); at bottom of file. * Hope it works for you… * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862532) * Shail.. i’ve done it the way you said.. @ functions.php: * ``` ``` * and the error still persists.. * I’ve contacted the people who made the alterations before the error, and themeforest support. I’ll tell you guy’s if it worked..**Thanks for answering ** * Anyway, if someone wants the password 2 have a look in what could be happening.. I’ve got no clue, it’s the 1st site I work with wordpress .. * [esmi](https://wordpress.org/support/users/esmi/) * (@esmi) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862534) * Please do not offer login details to strangers on a public forum. Unfortunately, not everyone who browses these forums can be trusted with such sensitive information. If you do require this level of 1-to-1 support, please try [http://directory.codepoet.com/](http://directory.codepoet.com/) or [http://jobs.wordpress.net/](http://jobs.wordpress.net/) * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862535) * I really need help in just fixing this problem.. * I wouldn’t afford paying for someone to fix something for me.. Thanks for the links.. * I’m going to wait for an answer from themeforest, and from the guy who created the site (i’m starting to use a new theme, he installed it and everything went wrong) * Thanks.. * [Shailesh](https://wordpress.org/support/users/shaileshsavaliya/) * (@shaileshsavaliya) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862537) * Paste your functions.php in pastebin and please provide link here… * Thread Starter [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * (@j1mm3c) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862538) * [http://pastebin.com/YrHR9HsS](http://pastebin.com/YrHR9HsS) * Thanks Shail * [Shailesh](https://wordpress.org/support/users/shaileshsavaliya/) * (@shaileshsavaliya) * [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/#post-4862546) * Its look like all perfect in functions.php * What i suggest is install new wordpress and then upload theme… And if it works than one by one all plugins…. This is what have esmi suggest but try it once clear all cache and try again… Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/page/2/?output_format=md) [→](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/page/2/?output_format=md) The topic ‘Warning: Cannot modify header information’ is closed to new replies. ## Tags * [header information](https://wordpress.org/support/topic-tag/header-information/) * [pluggable.php](https://wordpress.org/support/topic-tag/pluggable-php/) * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 16 replies * 4 participants * Last reply from: [j.1mm3c](https://wordpress.org/support/users/j1mm3c/) * Last activity: [12 years, 1 month ago](https://wordpress.org/support/topic/impossible-warning-cannot-modify-header-information/page/2/#post-4862554) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics