Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, null given in /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/widgets.php:607 Stack trace: #0 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/widgets.php(607): array_merge(Array, NULL) #1 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-widget.php(580): _register_widget_update_callback(NULL, Array, NULL, Array) #2 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-widget.php(275): WP_Widget->_register_one() #3 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-widget-factory.php(103): WP_Widget->_register() #4 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-hook.php(308): WP_Widget_Factory->_register_widgets('') #5 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #6 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/widgets.php(1854): do_action('widgets_init') #8 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-hook.php(308): wp_widgets_init('') #9 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #10 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #11 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-settings.php(617): do_action('init') #12 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-config.php(90): require_once('/data03/virt107...') #13 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-load.php(50): require_once('/data03/virt107...') #14 /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-blog-header.php(13): require_once('/data03/virt107...') #15 /data03/virt10775/domeenid/www.intranordic.com/htdocs/index.php(17): require('/data03/virt107...') #16 {main} thrown in /data03/virt10775/domeenid/www.intranordic.com/htdocs/wp-includes/widgets.php on line 607