Title: WordPress error Last modified: August 19, 2016 --- # WordPress error * Resolved [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/) * Hello, * When attempting to post an article upon clicking “Publish” I obtain the following error: * Warning: Cannot modify header information – headers already sent by (output started at /home/max0005/public_html/wp-includes/functions.php:3321) in /home/max0005/ public_html/wp-includes/pluggable.php on line 890 * As well as a second message telling me that a deprecated argument from version 2 has be called on /home/max0005/public_html/wp-includes/functions.php on line 3321. * (I have error reporting on in wp-settings.php) * Any solutions on how to fix this. I’ve tried re-downloading the whole wp package and substituting functions.php but I get the same error. 🙁 Viewing 13 replies - 1 through 13 (of 13 total) * Anonymous User * (@anonymized-3085) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829665) * Could be a plugin or theme issue, try deactivating all plugins and use the default twenty ten theme. * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829708) * I’ve disabled a few plugins which were (apparently) coded for WP 2.x and I am not longer getting warnings or errors. However, WP is _still_ not writing permalinks. * I have my .htaccess in the root of the blog CHMOD 664… * Anonymous User * (@anonymized-3085) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829709) * > try deactivating all plugins and use the default twenty ten theme. * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829714) * …Done… Still getting 404 on permalink 🙁 * Moderator [Ipstenu (Mika Epstein)](https://wordpress.org/support/users/ipstenu/) * (@ipstenu) * 🏳️‍🌈 Advisor and Activist * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829723) * So manually edit your .htaccess then. The bottom of the permalinks page on the admin side tells you what it needs to be. * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829728) * I could do that, but I’ll have other people writing on my blog who don’t have access to .htaccess… * Anonymous User * (@anonymized-3085) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829731) * It only needs to be edited to set up permalinks, after that it should work fine. * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829733) * How do I do that? Right now it’s content is * # BEGIN WordPress RewriteEngine On RewriteBase / RewriteRule ^index\.php$ – [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME}!- d RewriteRule . /index.php [L] * # END WordPress * Moderator [Ipstenu (Mika Epstein)](https://wordpress.org/support/users/ipstenu/) * (@ipstenu) * 🏳️‍🌈 Advisor and Activist * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829737) * Okay, that is correct, so there should be no need to write to it anymore. Do your permalinks work? * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829740) * No… And it was that way before too… My permalink structure is * /%author%/%post_id%-%postname% * If I use default ?p=## it works fine though. * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829743) * Using any other permalink structure it works 🙁 * Moderator [Ipstenu (Mika Epstein)](https://wordpress.org/support/users/ipstenu/) * (@ipstenu) * 🏳️‍🌈 Advisor and Activist * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829744) * URL? * Thread Starter [max0005](https://wordpress.org/support/users/max0005/) * (@max0005) * [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829748) * [http://max0005.com](http://max0005.com) – The issue seems fixed now. Apparently my browser my automatically appending an extra / to the end of the URL in the permalink structure which was then escaped upon requesting page. * Basically it was appending a / to %author$/ making it $author%/ just to then escape the extra / when loading the page. * Thank you very much for your help, I wish you a happy christmas and some great holidays! Viewing 13 replies - 1 through 13 (of 13 total) The topic ‘WordPress error’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 13 replies * 3 participants * Last reply from: [max0005](https://wordpress.org/support/users/max0005/) * Last activity: [15 years, 5 months ago](https://wordpress.org/support/topic/wordpress-error-17/#post-1829748) * Status: resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics