Title: Registered Users Only Plugin Last modified: August 18, 2016 --- # Registered Users Only Plugin * Resolved [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/) * I installed the plugin that Carthik Sharma made, and I get this error: “ * Warning: Cannot modify header information – headers already sent by (output started at /homepages/16/d152387834/htdocs/wp-content/themes/k2betatwor163/header.php: 6) in /homepages/16/d152387834/htdocs/wp-content/plugins/registered_only.php on line 63 * Warning: Cannot modify header information – headers already sent by (output started at /homepages/16/d152387834/htdocs/wp-content/themes/k2betatwor163/header.php: 6) in /homepages/16/d152387834/htdocs/wp-content/plugins/registered_only.php on line 64 * Warning: Cannot modify header information – headers already sent by (output started at /homepages/16/d152387834/htdocs/wp-content/themes/k2betatwor163/header.php: 6) in /homepages/16/d152387834/htdocs/wp-content/plugins/registered_only.php on line 65 * Warning: Cannot modify header information – headers already sent by (output started at /homepages/16/d152387834/htdocs/wp-content/themes/k2betatwor163/header.php: 6) in /homepages/16/d152387834/htdocs/wp-content/plugins/registered_only.php on line 66 * Warning: Cannot modify header information – headers already sent by (output started at /homepages/16/d152387834/htdocs/wp-content/themes/k2betatwor163/header.php: 6) in /homepages/16/d152387834/htdocs/wp-content/plugins/registered_only.php on line 72 “ * Any ideas on how to fix it? I’m using WP2.0 and my site is [http://www.complexed.org](http://www.complexed.org) Viewing 8 replies - 1 through 8 (of 8 total) * [Kafkaesqui](https://wordpress.org/support/users/kafkaesqui/) * (@kafkaesqui) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329216) * [http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F](http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F) * Check the plugin file for the issues brought up there. * Thread Starter [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329223) * Would it be the plug in file or my header.php ? It keeps saying line 6 on my header.php and this is what it looks like: * <?php wp_title(”); ?> <?php if ( !(is_404()) && (is_single()) or (is_page()) or (is_archive()) ) { ?> at <?php } ?> <?php bloginfo(‘name’); ?> * And thats what line 6 of my header.php looks like… I have no idea what whitespaces I should be deleting in that. * [Kafkaesqui](https://wordpress.org/support/users/kafkaesqui/) * (@kafkaesqui) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329226) * *ahem* * “Check the plugin file for the issues brought up there.” * If you copy/pasted the plugin to a file, you would have (most likely) added lines to the top (before the ``) in the script. * Thread Starter [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329227) * Then there must be something else wrong :-\. There were no white areas and I never copied/pasted it into a new file. * Thread Starter [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329230) * On another note: [http://www.complexed.org](http://www.complexed.org) I tried adding the “How many users online” thing… I get that error at the top “ * WordPress database error: [You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near‘ ON DUPLICATE KEY UPDATE timestamp = ‘1138675944” at line 1] INSERT INTO wp_useronline VALUES (‘1138675943’, ‘Guest’, ‘70.68.14.120’, ”, ‘%2F’) ON DUPLICATE KEY UPDATE timestamp = ‘1138675944’ “ * :(, not my dad in terms of adding plugins. Any ideas? * Thread Starter [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329376) * Ok scratch that above post. Just need help on how to get the registered users only plugin working * Thread Starter [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329428) * Ok, I downloaded and uploaded the .4 patch and now everytime I activate the plugin I can’t access my blog at all. “It says maximum requests exeeded” I have to go through FTP to delete the “registered users only” file before I can access my blog at all. * Thread Starter [complexed](https://wordpress.org/support/users/complexed/) * (@complexed) * [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329430) * Wooohoo, I got it working :O. Thanks everyone! Viewing 8 replies - 1 through 8 (of 8 total) The topic ‘Registered Users Only Plugin’ is closed to new replies. * 8 replies * 2 participants * Last reply from: [complexed](https://wordpress.org/support/users/complexed/) * Last activity: [20 years, 4 months ago](https://wordpress.org/support/topic/registered-users-only-plugin/#post-329430) * Status: resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics