( ! ) Warning: Undefined variable $message in /home/mathuqtw/public_stage_html/web/app/themes/mathuset/app/Api/Frontline/Api.php on line 85
Call Stack
#TimeMemoryFunctionLocation
10.0001359648{main}( ).../index.php:0
20.0003359992require( '/home/mathuqtw/public_stage_html/web/wp/wp-blog-header.php ).../index.php:6
30.0003360408require_once( '/home/mathuqtw/public_stage_html/web/wp/wp-load.php ).../wp-blog-header.php:13
40.0004361208require_once( '/home/mathuqtw/public_stage_html/web/wp-config.php ).../wp-load.php:55
50.0062398064require_once( '/home/mathuqtw/public_stage_html/web/wp/wp-settings.php ).../wp-config.php:11
60.232419932872include( '/home/mathuqtw/public_stage_html/web/app/themes/mathuset/functions.php ).../wp-settings.php:555
70.233019934272require_once( '/home/mathuqtw/public_stage_html/web/app/themes/mathuset/bootstrap/app.php ).../functions.php:31
80.235420436232Illuminate\Support\Collection->each( $callback = class Closure { virtual $closure = "{closure}", public $parameter = ['$file' => '<required>'] } ).../app.php:36
90.235520437184{closure:/home/mathuqtw/public_stage_html/web/app/themes/mathuset/bootstrap/app.php:29-36}( $file = 'setup', 1 ).../EnumeratesValues.php:242
100.235520437480locate_template( $template_names = 'app/setup.php', $load = TRUE, $require_once = TRUE, $args = ??? ).../app.php:30
110.235520437576load_template( $_template_file = '/home/mathuqtw/public_stage_html/web/app/themes/mathuset/app/setup.php', $require_once = TRUE, $args = [] ).../template.php:716
120.235720466960require_once( '/home/mathuqtw/public_stage_html/web/app/themes/mathuset/app/setup.php ).../template.php:770
130.237020525544App\Api\Frontline\Api->__construct( $url = 'https://restapi.frontlinesystems.no/api/v1/', $key = 'c103e7e7b37b6f75bcb2f20175c04dcda45123c7e977825ee393777ab95302d0434563e95b5b6060', $secret = 'oVi8xP9hRSPInhsF', $companyID = '3918' ).../setup.php:209
140.244121088360App\Api\Frontline\Api->setTokenHeader( ).../Api.php:42
Whoops! There was an error.
ErrorException (E_WARNING)
Cannot modify header information - headers already sent by (output started at /home/mathuqtw/public_stage_html/web/app/themes/mathuset/app/Api/Frontline/Api.php:85) ErrorException thrown with message "Cannot modify header information - headers already sent by (output started at /home/mathuqtw/public_stage_html/web/app/themes/mathuset/app/Api/Frontline/Api.php:85)" Stacktrace: #9 ErrorException in /home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php:1350 #8 header in /home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php:1350 #7 wp_redirect in /home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php:1458 #6 wp_safe_redirect in /home/mathuqtw/public_stage_html/web/app/plugins/wordpress-seo/inc/sitemaps/class-sitemaps-router.php:63 #5 WPSEO_Sitemaps_Router:template_redirect in /home/mathuqtw/public_stage_html/web/wp/wp-includes/class-wp-hook.php:307 #4 WP_Hook:apply_filters in /home/mathuqtw/public_stage_html/web/wp/wp-includes/class-wp-hook.php:331 #3 WP_Hook:do_action in /home/mathuqtw/public_stage_html/web/wp/wp-includes/plugin.php:474 #2 do_action in /home/mathuqtw/public_stage_html/web/wp/wp-includes/template-loader.php:13 #1 require_once in /home/mathuqtw/public_stage_html/web/wp/wp-blog-header.php:19 #0 require in /home/mathuqtw/public_stage_html/web/index.php:6
9
ErrorException
/home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php1350
8
header
/home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php1350
7
wp_redirect
/home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php1458
6
wp_safe_redirect
/home/mathuqtw/public_stage_html/web/app/plugins/wordpress-seo/inc/sitemaps/class-sitemaps-router.php63
5
WPSEO_Sitemaps_Router template_redirect
/home/mathuqtw/public_stage_html/web/wp/wp-includes/class-wp-hook.php307
4
WP_Hook apply_filters
/home/mathuqtw/public_stage_html/web/wp/wp-includes/class-wp-hook.php331
3
WP_Hook do_action
/home/mathuqtw/public_stage_html/web/wp/wp-includes/plugin.php474
2
do_action
/home/mathuqtw/public_stage_html/web/wp/wp-includes/template-loader.php13
1
require_once
/home/mathuqtw/public_stage_html/web/wp/wp-blog-header.php19
0
require
/home/mathuqtw/public_stage_html/web/index.php6
/home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php
        $location = wp_sanitize_redirect( $location );
 
        if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) {
            status_header( $status ); // This causes problems on IIS and some FastCGI setups.
        }
 
        /**
         * Filters the X-Redirect-By header.
         *
         * Allows applications to identify themselves when they're doing a redirect.
         *
         * @since 5.1.0
         *
         * @param string $x_redirect_by The application doing the redirect.
         * @param int    $status        Status code to use.
         * @param string $location      The path to redirect to.
         */
        $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
        if ( is_string( $x_redirect_by ) ) {
            header( "X-Redirect-By: $x_redirect_by" );
        }
 
        header( "Location: $location", true, $status );
 
        return true;
    }
endif;
 
if ( ! function_exists( 'wp_sanitize_redirect' ) ) :
    /**
     * Sanitizes a URL for use in a redirect.
     *
     * @since 2.3.0
     *
     * @param string $location The path to redirect to.
     * @return string Redirect-sanitized URL.
     */
    function wp_sanitize_redirect( $location ) {
        // Encode spaces.
        $location = str_replace( ' ', '%20', $location );
Arguments
  1. "Cannot modify header information - headers already sent by (output started at /home/mathuqtw/public_stage_html/web/app/themes/mathuset/app/Api/Frontline/Api.php:85)"
    
/home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php
        $location = wp_sanitize_redirect( $location );
 
        if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) {
            status_header( $status ); // This causes problems on IIS and some FastCGI setups.
        }
 
        /**
         * Filters the X-Redirect-By header.
         *
         * Allows applications to identify themselves when they're doing a redirect.
         *
         * @since 5.1.0
         *
         * @param string $x_redirect_by The application doing the redirect.
         * @param int    $status        Status code to use.
         * @param string $location      The path to redirect to.
         */
        $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
        if ( is_string( $x_redirect_by ) ) {
            header( "X-Redirect-By: $x_redirect_by" );
        }
 
        header( "Location: $location", true, $status );
 
        return true;
    }
endif;
 
if ( ! function_exists( 'wp_sanitize_redirect' ) ) :
    /**
     * Sanitizes a URL for use in a redirect.
     *
     * @since 2.3.0
     *
     * @param string $location The path to redirect to.
     * @return string Redirect-sanitized URL.
     */
    function wp_sanitize_redirect( $location ) {
        // Encode spaces.
        $location = str_replace( ' ', '%20', $location );
/home/mathuqtw/public_stage_html/web/wp/wp-includes/pluggable.php
     * @param int    $status        Optional. HTTP response status code to use. Default '302' (Moved Temporarily).
     * @param string $x_redirect_by Optional. The application doing the redirect. Default 'WordPress'.
     * @return bool False if the redirect was cancelled, true otherwise.
     */
    function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {
 
        // Need to look at the URL the way it will end up in wp_redirect().
        $location = wp_sanitize_redirect( $location );
 
        /**
         * Filters the redirect fallback URL for when the provided redirect is not safe (local).
         *
         * @since 4.3.0
         *
         * @param string $fallback_url The fallback URL to use by default.
         * @param int    $status       The HTTP response status code to use.
         */
        $location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) );
 
        return wp_redirect( $location, $status, $x_redirect_by );
    }
endif;
 
if ( ! function_exists( 'wp_validate_redirect' ) ) :
    /**
     * Validates a URL for use in a redirect.
     *
     * Checks whether the $location is using an allowed host, if it has an absolute
     * path. A plugin can therefore set or remove allowed host(s) to or from the
     * list.
     *
     * If the host is not allowed, then the redirect is to $default supplied
     *
     * @since 2.8.1
     *
     * @param string $location The redirect to validate
     * @param string $default  The value to return if $location is not allowed
     * @return string redirect-sanitized URL
     */
    function wp_validate_redirect( $location, $default = '' ) {
/home/mathuqtw/public_stage_html/web/app/plugins/wordpress-seo/inc/sitemaps/class-sitemaps-router.php
     * @return bool|string
     */
    public function redirect_canonical( $redirect ) {
 
        if ( get_query_var( 'sitemap' ) || get_query_var( 'yoast-sitemap-xsl' ) ) {
            return false;
        }
 
        return $redirect;
    }
 
    /**
     * Redirects sitemap.xml to sitemap_index.xml.
     */
    public function template_redirect() {
        if ( ! $this->needs_sitemap_index_redirect() ) {
            return;
        }
 
        wp_safe_redirect( home_url( '/sitemap_index.xml' ), 301, 'Yoast SEO' );
        exit;
    }
 
    /**
     * Checks whether the current request needs to be redirected to sitemap_index.xml.
     *
     * @global WP_Query $wp_query Current query.
     *
     * @return bool True if redirect is needed, false otherwise.
     */
    public function needs_sitemap_index_redirect() {
        global $wp_query;
 
        $protocol = 'http://';
        if ( ! empty( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] === 'on' ) {
            $protocol = 'https://';
        }
 
        $domain = '';
        if ( isset( $_SERVER['SERVER_NAME'] ) ) {
/home/mathuqtw/public_stage_html/web/wp/wp-includes/class-wp-hook.php
 
        $nesting_level = $this->nesting_level++;
 
        $this->iterations[ $nesting_level ] = array_keys( $this->callbacks );
        $num_args                           = count( $args );
 
        do {
            $this->current_priority[ $nesting_level ] = current( $this->iterations[ $nesting_level ] );
            $priority                                 = $this->current_priority[ $nesting_level ];
 
            foreach ( $this->callbacks[ $priority ] as $the_ ) {
                if ( ! $this->doing_action ) {
                    $args[0] = $value;
                }
 
                // Avoid the array_slice() if possible.
                if ( 0 == $the_['accepted_args'] ) {
                    $value = call_user_func( $the_['function'] );
                } elseif ( $the_['accepted_args'] >= $num_args ) {
                    $value = call_user_func_array( $the_['function'], $args );
                } else {
                    $value = call_user_func_array( $the_['function'], array_slice( $args, 0, (int) $the_['accepted_args'] ) );
                }
            }
        } while ( false !== next( $this->iterations[ $nesting_level ] ) );
 
        unset( $this->iterations[ $nesting_level ] );
        unset( $this->current_priority[ $nesting_level ] );
 
        $this->nesting_level--;
 
        return $value;
    }
 
    /**
     * Calls the callback functions that have been added to an action hook.
     *
     * @since 4.7.0
     *
     * @param array $args Parameters to pass to the callback functions.
/home/mathuqtw/public_stage_html/web/wp/wp-includes/class-wp-hook.php
        } while ( false !== next( $this->iterations[ $nesting_level ] ) );
 
        unset( $this->iterations[ $nesting_level ] );
        unset( $this->current_priority[ $nesting_level ] );
 
        $this->nesting_level--;
 
        return $value;
    }
 
    /**
     * Calls the callback functions that have been added to an action hook.
     *
     * @since 4.7.0
     *
     * @param array $args Parameters to pass to the callback functions.
     */
    public function do_action( $args ) {
        $this->doing_action = true;
        $this->apply_filters( '', $args );
 
        // If there are recursive calls to the current action, we haven't finished it until we get to the last one.
        if ( ! $this->nesting_level ) {
            $this->doing_action = false;
        }
    }
 
    /**
     * Processes the functions hooked into the 'all' hook.
     *
     * @since 4.7.0
     *
     * @param array $args Arguments to pass to the hook callbacks. Passed by reference.
     */
    public function do_all_hook( &$args ) {
        $nesting_level                      = $this->nesting_level++;
        $this->iterations[ $nesting_level ] = array_keys( $this->callbacks );
 
        do {
            $priority = current( $this->iterations[ $nesting_level ] );
/home/mathuqtw/public_stage_html/web/wp/wp-includes/plugin.php
    if ( ! isset( $wp_filter[ $hook_name ] ) ) {
        if ( isset( $wp_filter['all'] ) ) {
            array_pop( $wp_current_filter );
        }
 
        return;
    }
 
    if ( ! isset( $wp_filter['all'] ) ) {
        $wp_current_filter[] = $hook_name;
    }
 
    if ( empty( $arg ) ) {
        $arg[] = '';
    } elseif ( is_array( $arg[0] ) && 1 === count( $arg[0] ) && isset( $arg[0][0] ) && is_object( $arg[0][0] ) ) {
        // Backward compatibility for PHP4-style passing of `array( &$this )` as action `$arg`.
        $arg[0] = $arg[0][0];
    }
 
    $wp_filter[ $hook_name ]->do_action( $arg );
 
    array_pop( $wp_current_filter );
}
 
/**
 * Calls the callback functions that have been added to an action hook, specifying arguments in an array.
 *
 * @since 2.1.0
 *
 * @see do_action() This function is identical, but the arguments passed to the
 *                  functions hooked to `$hook_name` are supplied using an array.
 *
 * @global WP_Hook[] $wp_filter         Stores all of the filters and actions.
 * @global int[]     $wp_actions        Stores the number of times each action was triggered.
 * @global string[]  $wp_current_filter Stores the list of current filters with the current one last.
 *
 * @param string $hook_name The name of the action to be executed.
 * @param array  $args      The arguments supplied to the functions hooked to `$hook_name`.
 */
function do_action_ref_array( $hook_name, $args ) {
/home/mathuqtw/public_stage_html/web/wp/wp-includes/template-loader.php
<?php
/**
 * Loads the correct template based on the visitor's url
 *
 * @package WordPress
 */
if ( wp_using_themes() ) {
    /**
     * Fires before determining which template to load.
     *
     * @since 1.5.0
     */
    do_action( 'template_redirect' );
}
 
/**
 * Filters whether to allow 'HEAD' requests to generate content.
 *
 * Provides a significant performance bump by exiting before the page
 * content loads for 'HEAD' requests. See #14348.
 *
 * @since 3.5.0
 *
 * @param bool $exit Whether to exit without generating any content for 'HEAD' requests. Default true.
 */
if ( 'HEAD' === $_SERVER['REQUEST_METHOD'] && apply_filters( 'exit_on_http_head', true ) ) {
    exit;
}
 
// Process feeds and trackbacks even if not using themes.
if ( is_robots() ) {
    /**
     * Fired when the template loader determines a robots.txt request.
     *
     * @since 2.1.0
     */
    do_action( 'do_robots' );
    return;
} elseif ( is_favicon() ) {
    /**
/home/mathuqtw/public_stage_html/web/wp/wp-blog-header.php
<?php
/**
 * Loads the WordPress environment and template.
 *
 * @package WordPress
 */
 
if ( ! isset( $wp_did_header ) ) {
 
    $wp_did_header = true;
 
    // Load the WordPress library.
    require_once __DIR__ . '/wp-load.php';
 
    // Set up the WordPress query.
    wp();
 
    // Load the theme template.
    require_once ABSPATH . WPINC . '/template-loader.php';
 
}
 
Arguments
  1. "/home/mathuqtw/public_stage_html/web/wp/wp-includes/template-loader.php"
    
/home/mathuqtw/public_stage_html/web/index.php
<?php
/**
 * WordPress View Bootstrapper
 */
define('WP_USE_THEMES', true);
require __DIR__ . '/wp/wp-blog-header.php';
 
Arguments
  1. "/home/mathuqtw/public_stage_html/web/wp/wp-blog-header.php"
    

Environment & details:

empty
empty
empty
empty
empty
Key Value
SERVER_SOFTWARE
"LiteSpeed"
REQUEST_URI
"/sitemap.xml"
LSPHP_ENABLE_USER_INI
"on"
PATH
"/usr/local/bin:/bin:/usr/bin"
HTTP_ACCEPT
"*/*"
HTTP_ACCEPT_ENCODING
"gzip, br, zstd, deflate"
HTTP_HOST
"stage.mathuset.no"
HTTP_USER_AGENT
"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
DOCUMENT_ROOT
"/home/mathuqtw/public_stage_html/web/"
REMOTE_ADDR
"216.73.217.66"
REMOTE_PORT
"10889"
SERVER_ADDR
"46.250.210.45"
SERVER_NAME
"stage.mathuset.no"
SERVER_ADMIN
"webmaster@stage.mathuset.no"
SERVER_PORT
"443"
REQUEST_SCHEME
"https"
REDIRECT_URL
"/sitemap.xml"
REDIRECT_REQUEST_METHOD
"GET"
HTTPS
"on"
CRAWLER_USLEEP
"10000"
CRAWLER_LOAD_LIMIT
"4"
WP_DIRECT_UPDATE_PHP_URL
"https://www.proisp.no/guider/sette-php-versjon-webhotell-cpanel/"
HTTP_AUTHORIZATION
""
REDIRECT_STATUS
"200"
X_SPDY
"HTTP2"
SSL_PROTOCOL
"TLSv1.3"
SSL_CIPHER
"TLS_AES_256_GCM_SHA384"
SSL_CIPHER_USEKEYSIZE
"256"
SSL_CIPHER_ALGKEYSIZE
"256"
SCRIPT_FILENAME
"/home/mathuqtw/public_stage_html/web/index.php"
QUERY_STRING
""
SCRIPT_URI
"https://stage.mathuset.no/sitemap.xml"
SCRIPT_URL
"/sitemap.xml"
SCRIPT_NAME
"/index.php"
SERVER_PROTOCOL
"HTTP/1.1"
REQUEST_METHOD
"GET"
X-LSCACHE
"on,crawler"
PHP_SELF
"/index.php"
REQUEST_TIME_FLOAT
1776624630.2629
REQUEST_TIME
1776624630
DB_NAME
"mathuqtw_stage"
DB_USER
"mathuqtw_stage"
DB_PASSWORD
"*******************"
WP_ENV
"development"
WP_HOME
"https://stage.mathuset.no"
WP_SITEURL
"https://stage.mathuset.no/wp"
WP_DEBUG_LOG
"../logs/wp/"
AUTH_KEY
"****************************************************************"
SECURE_AUTH_KEY
"****************************************************************"
LOGGED_IN_KEY
"****************************************************************"
NONCE_KEY
"****************************************************************"
AUTH_SALT
"****************************************************************"
SECURE_AUTH_SALT
"****************************************************************"
LOGGED_IN_SALT
"****************************************************************"
NONCE_SALT
"****************************************************************"
FRONTLINE_URI
"https://restapi.frontlinesystems.no/api/v1/"
FRONTLINE_KEY
"c103e7e7b37b6f75bcb2f20175c04dcda45123c7e977825ee393777ab95302d0434563e95b5b6060"
FRONTLINE_SECRET
"oVi8xP9hRSPInhsF"
FRONTLINE_COMPANY_ID
"3918"
Key Value
DB_NAME
"mathuqtw_stage"
DB_USER
"mathuqtw_stage"
DB_PASSWORD
"*******************"
WP_ENV
"development"
WP_HOME
"https://stage.mathuset.no"
WP_SITEURL
"https://stage.mathuset.no/wp"
WP_DEBUG_LOG
"../logs/wp/"
AUTH_KEY
"****************************************************************"
SECURE_AUTH_KEY
"****************************************************************"
LOGGED_IN_KEY
"****************************************************************"
NONCE_KEY
"****************************************************************"
AUTH_SALT
"****************************************************************"
SECURE_AUTH_SALT
"****************************************************************"
LOGGED_IN_SALT
"****************************************************************"
NONCE_SALT
"****************************************************************"
FRONTLINE_URI
"https://restapi.frontlinesystems.no/api/v1/"
FRONTLINE_KEY
"c103e7e7b37b6f75bcb2f20175c04dcda45123c7e977825ee393777ab95302d0434563e95b5b6060"
FRONTLINE_SECRET
"oVi8xP9hRSPInhsF"
FRONTLINE_COMPANY_ID
"3918"
0. Whoops\Handler\PrettyPageHandler