Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the fakerpress domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/html/wp-includes/functions.php on line 6114 Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/functions.php:6114) (500 Internal Server Error)

Symfony Exception

Symfony Docs

ErrorException

HTTP 500 Internal Server Error

Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/functions.php:6114)

Exception

ErrorException

Show exception properties 
ErrorException {#1021
  #severity: E_WARNING
}
in /var/www/html/wp-includes/rest-api/class-wp-rest-server.php (line 1893)
  1.          * Any LWS that occurs between field-content MAY be replaced with a
  2.          * single SP before interpreting the field value or forwarding the
  3.          * message downstream.
  4.          */
  5.         $value = preg_replace( '/\s+/', ' ', $value );
  6.         header( sprintf( '%s: %s', $key, $value ) );
  7.     }
  9.     /**
  10.      * Sends multiple HTTP headers.
  11.      *
in /var/www/html/wp-content/themes/v1/vendor/roots/acorn/src/Roots/Acorn/Bootstrap/HandleExceptions.php -> handleError (line 49)
  1.      * @throws \ErrorException
  2.      */
  3.     public function handleError($level, $message, $file = '', $line = 0, $context = [])
  4.     {
  5.         try {
  6.             parent::handleError($level, $message, $file, $line, $context);
  7.         } catch (Throwable $e) {
  8.             if (! apply_filters('acorn/throw_error_exception', true, $e)) {
  9.                 return false;
  10.             }
HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/functions.php:6114)', '/var/www/html/wp-includes/rest-api/class-wp-rest-server.php', 1893)
header('Content-Type: application/json; charset=UTF-8') in /var/www/html/wp-includes/rest-api/class-wp-rest-server.php (line 1893)
  1.          * Any LWS that occurs between field-content MAY be replaced with a
  2.          * single SP before interpreting the field value or forwarding the
  3.          * message downstream.
  4.          */
  5.         $value = preg_replace( '/\s+/', ' ', $value );
  6.         header( sprintf( '%s: %s', $key, $value ) );
  7.     }
  9.     /**
  10.      * Sends multiple HTTP headers.
  11.      *
WP_REST_Server->send_header('Content-Type', 'application/json; charset=UTF-8') in /var/www/html/wp-includes/rest-api/class-wp-rest-server.php (line 318)
  1.         if ( isset( $_GET['_jsonp'] ) ) {
  2.             $jsonp_callback = $_GET['_jsonp'];
  3.         }
  5.         $content_type = ( $jsonp_callback && $jsonp_enabled ) ? 'application/javascript' : 'application/json';
  6.         $this->send_header( 'Content-Type', $content_type . '; charset=' . get_option( 'blog_charset' ) );
  7.         $this->send_header( 'X-Robots-Tag', 'noindex' );
  9.         $api_root = get_rest_url();
  10.         if ( ! empty( $api_root ) ) {
  11.             $this->send_header( 'Link', '<' . sanitize_url( $api_root ) . '>; rel="https://api.w.org/"' );
WP_REST_Server->serve_request('/') in /var/www/html/wp-includes/rest-api.php (line 449)
  1.     // Fire off the request.
  2.     $route = untrailingslashit( $GLOBALS['wp']->query_vars['rest_route'] );
  3.     if ( empty( $route ) ) {
  4.         $route = '/';
  5.     }
  6.     $server->serve_request( $route );
  8.     // We're done.
  9.     die();
  10. }
rest_api_loaded(object(WP)) in /var/www/html/wp-includes/class-wp-hook.php (line 324)
  2.                 // Avoid the array_slice() if possible.
  3.                 if ( 0 === $the_['accepted_args'] ) {
  4.                     $value = call_user_func( $the_['function'] );
  5.                 } elseif ( $the_['accepted_args'] >= $num_args ) {
  6.                     $value = call_user_func_array( $the_['function'], $args );
  7.                 } else {
  8.                     $value = call_user_func_array( $the_['function'], array_slice( $args, 0, $the_['accepted_args'] ) );
  9.                 }
  10.             }
  11.         } while ( false !== next( $this->iterations[ $nesting_level ] ) );
WP_Hook->apply_filters('', array(object(WP))) in /var/www/html/wp-includes/class-wp-hook.php (line 348)
  1.      *
  2.      * @param array $args Parameters to pass to the callback functions.
  3.      */
  4.     public function do_action( $args ) {
  5.         $this->doing_action = true;
  6.         $this->apply_filters( '', $args );
  8.         // If there are recursive calls to the current action, we haven't finished it until we get to the last one.
  9.         if ( ! $this->nesting_level ) {
  10.             $this->doing_action = false;
  11.         }
WP_Hook->do_action(array(object(WP))) in /var/www/html/wp-includes/plugin.php (line 565)
  2.     if ( ! isset( $wp_filter['all'] ) ) {
  3.         $wp_current_filter[] = $hook_name;
  4.     }
  6.     $wp_filter[ $hook_name ]->do_action( $args );
  8.     array_pop( $wp_current_filter );
  9. }
  11. /**
do_action_ref_array('parse_request', array(object(WP))) in /var/www/html/wp-includes/class-wp.php (line 418)
  1.          *
  2.          * @since 2.1.0
  3.          *
  4.          * @param WP $wp Current WordPress environment instance (passed by reference).
  5.          */
  6.         do_action_ref_array( 'parse_request', array( &$this ) );
  8.         return true;
  9.     }
  11.     /**
WP->parse_request('') in /var/www/html/wp-includes/class-wp.php (line 813)
  1.      * @param string|array $query_args Passed to parse_request().
  2.      */
  3.     public function main( $query_args = '' ) {
  4.         $this->init();
  6.         $parsed = $this->parse_request( $query_args );
  8.         if ( $parsed ) {
  9.             $this->query_posts();
  10.             $this->handle_404();
  11.             $this->register_globals();
WP->main('') in /var/www/html/wp-includes/functions.php (line 1336)
  1.  * @param string|array $query_vars Default WP_Query arguments.
  2.  */
  3. function wp( $query_vars = '' ) {
  4.     global $wp, $wp_query, $wp_the_query;
  6.     $wp->main( $query_vars );
  8.     if ( ! isset( $wp_the_query ) ) {
  9.         $wp_the_query = $wp_query;
  10.     }
  11. }
wp() in /var/www/html/wp-blog-header.php (line 16)
  2.     // Load the WordPress library.
  3.     require_once __DIR__ . '/wp-load.php';
  5.     // Set up the WordPress query.
  6.     wp();
  8.     // Load the theme template.
  9.     require_once ABSPATH . WPINC . '/template-loader.php';
  11. }
require('/var/www/html/wp-blog-header.php') in /var/www/html/index.php (line 17)
  1.  * @var bool
  2.  */
  3. define( 'WP_USE_THEMES', true );
  5. /** Loads the WordPress Environment and Template */
  6. require __DIR__ . '/wp-blog-header.php';

Stack Trace

ErrorException 
ErrorException:
Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/functions.php:6114)

  at /var/www/html/wp-includes/rest-api/class-wp-rest-server.php:1893
  at Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/functions.php:6114)', '/var/www/html/wp-includes/rest-api/class-wp-rest-server.php', 1893, array())
     (/var/www/html/wp-content/themes/v1/vendor/roots/acorn/src/Roots/Acorn/Bootstrap/HandleExceptions.php:49)
  at Roots\Acorn\Bootstrap\HandleExceptions->handleError(2, 'Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/functions.php:6114)', '/var/www/html/wp-includes/rest-api/class-wp-rest-server.php', 1893)
  at header('Content-Type: application/json; charset=UTF-8')
     (/var/www/html/wp-includes/rest-api/class-wp-rest-server.php:1893)
  at WP_REST_Server->send_header('Content-Type', 'application/json; charset=UTF-8')
     (/var/www/html/wp-includes/rest-api/class-wp-rest-server.php:318)
  at WP_REST_Server->serve_request('/')
     (/var/www/html/wp-includes/rest-api.php:449)
  at rest_api_loaded(object(WP))
     (/var/www/html/wp-includes/class-wp-hook.php:324)
  at WP_Hook->apply_filters('', array(object(WP)))
     (/var/www/html/wp-includes/class-wp-hook.php:348)
  at WP_Hook->do_action(array(object(WP)))
     (/var/www/html/wp-includes/plugin.php:565)
  at do_action_ref_array('parse_request', array(object(WP)))
     (/var/www/html/wp-includes/class-wp.php:418)
  at WP->parse_request('')
     (/var/www/html/wp-includes/class-wp.php:813)
  at WP->main('')
     (/var/www/html/wp-includes/functions.php:1336)
  at wp()
     (/var/www/html/wp-blog-header.php:16)
  at require('/var/www/html/wp-blog-header.php')
     (/var/www/html/index.php:17)