Fatal error: Uncaught Error: Call to undefined function register_widget() in /var/www/digitalweb.dk/agenda.dk/wp-includes/widgets.php:1756 Stack trace: #0 /var/www/digitalweb.dk/agenda.dk/wp-includes/class-wp-hook.php(292): wp_widgets_init('') #1 /var/www/digitalweb.dk/agenda.dk/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #2 /var/www/digitalweb.dk/agenda.dk/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #3 /var/www/digitalweb.dk/agenda.dk/wp-settings.php(565): do_action('init') #4 /var/www/digitalweb.dk/agenda.dk/wp-config.php(89): require_once('/var/www/digita...') #5 /var/www/digitalweb.dk/agenda.dk/wp-load.php(37): require_once('/var/www/digita...') #6 /var/www/digitalweb.dk/agenda.dk/wp-blog-header.php(13): require_once('/var/www/digita...') #7 /var/www/digitalweb.dk/agenda.dk/index.php(22): require('/var/www/digita...') #8 {main} thrown in /var/www/digitalweb.dk/agenda.dk/wp-includes/widgets.php on line 1756