Title: WP Post Formats doesnt work Last modified: August 19, 2016 --- # WP Post Formats doesnt work * Resolved [jrkmrzk](https://wordpress.org/support/users/jrkmrzk/) * (@jrkmrzk) * [15 years, 3 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/) * here s a list of errors i got: * Notice: Undefined index: language in /Applications/MAMP/htdocs/wp-content/plugins/ qtranslate/qtranslate_hooks.php on line 47 * Notice: Undefined index: in /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/ qtranslate_hooks.php on line 47 * Notice: Undefined index: language in /Applications/MAMP/htdocs/wp-content/plugins/ qtranslate/qtranslate_hooks.php on line 48 * Notice: Undefined index: in /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/ qtranslate_hooks.php on line 48 * Notice: Undefined index: language in /Applications/MAMP/htdocs/wp-content/plugins/ qtranslate/qtranslate_hooks.php on line 49 * Notice: Undefined index: in /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/ qtranslate_hooks.php on line 49 * Notice: Undefined index: language in /Applications/MAMP/htdocs/wp-content/plugins/ qtranslate/qtranslate_hooks.php on line 50 * Notice: Undefined index: in /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/ qtranslate_hooks.php on line 50 * Notice: Undefined index: language in /Applications/MAMP/htdocs/wp-content/plugins/ qtranslate/qtranslate_hooks.php on line 51 * Notice: Undefined index: language in /Applications/MAMP/htdocs/wp-content/plugins/ qtranslate/qtranslate_hooks.php on line 57 * Notice: Undefined index: in /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/ qtranslate_hooks.php on line 57 * Warning: Cannot modify header information – headers already sent by (output started at /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/qtranslate_hooks.php: 47) in /Applications/MAMP/htdocs/wp-content/plugins/qtranslate/qtranslate_core. php on line 71 Viewing 5 replies - 1 through 5 (of 5 total) * [Gary Bairead](https://wordpress.org/support/users/gary-barrett/) * (@gary-barrett) * [15 years, 2 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/#post-1920306) * All of those errors are coming from the qtranslate plugin. * Plugin Author [Ben Casey](https://wordpress.org/support/users/casben79/) * (@casben79) * [15 years, 2 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/#post-1920352) * [@jrkmrzk](https://wordpress.org/support/users/jrkmrzk/) * Did you get this problem solved? * As Gary mentioned, the errors are actually coming from the qtranslate plugin and it would seem that you are running wordpress in debug mode. * If you find the following line in wp-config: `define( 'WP_DEBUG' , true );` * and change it to: `define( 'WP_DEBUG' , false );` * The above errors should not be displayed. * Cheers Ben * Thread Starter [jrkmrzk](https://wordpress.org/support/users/jrkmrzk/) * (@jrkmrzk) * [15 years, 2 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/#post-1920353) * hi, thanks for an answer. The problem is already solved. it was, as usually, just a problem of letters :), and the problem of qTranlate settings. Instead of “cs” in Settings>Languages>Language Code i had “Cs”. * And of course, i ve the WP_DEBUG on, to turn it off doesnt solve anything:), sometimes i need to touch the PHP and i wanna see if it causes any problems. * Cheers Jirka * Plugin Author [Ben Casey](https://wordpress.org/support/users/casben79/) * (@casben79) * [15 years, 2 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/#post-1920354) * Undefined index is basically php saying this: * I’ve been told to look for something, but it doesn’t exist. * I actually downloaded qtranslate to have look at this: * Line 47 of qtranslate_hooks.php: * `$locale[] = $q_config['locale'][$q_config['language']].".utf8";` * Would avoid undefined index to be written like this: * `$locale[] = isset( $q_config['locale'][$q_config['language']].".utf8" ) ? $q_config[' locale'][$q_config['language']].".utf8" : false ;` * which says: if ( `$q_config['locale'][$q_config['language']].".utf8"` ) exists, use that otherwise $locale[] is false * This can add a lot of extra code sometimes, but means avoiding the above mess of PHP errors. * The final one: `Warning: Cannot modify header information` is sent because wordpress is trying to output some content after the program has already output the Notice Errors. No Notices in this case would mean no Warning. * I hope this helps. * Cheers Ben * [Gary Bairead](https://wordpress.org/support/users/gary-barrett/) * (@gary-barrett) * [15 years, 2 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/#post-1920355) * It’s mentioned in the 3.1 sticky that qtranslate isn’t compatible. * [http://wordpress.org/support/topic/troubleshooting-wordpress-31-master-list](http://wordpress.org/support/topic/troubleshooting-wordpress-31-master-list) Viewing 5 replies - 1 through 5 (of 5 total) The topic ‘WP Post Formats doesnt work’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/wp-post-formats.svg) * [WP Post Formats](https://wordpress.org/plugins/wp-post-formats/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-post-formats/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-post-formats/) * [Active Topics](https://wordpress.org/support/plugin/wp-post-formats/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-post-formats/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-post-formats/reviews/) * 5 replies * 3 participants * Last reply from: [Gary Bairead](https://wordpress.org/support/users/gary-barrett/) * Last activity: [15 years, 2 months ago](https://wordpress.org/support/topic/wp-post-formats-doesnt-work/#post-1920355) * Status: resolved