Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-widget.php:162 Stack trace: #0 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct() #1 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/widgets.php(115): WP_Widget_Factory->register('Flickr_Widget') #2 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-content/themes/white-rock/widgets/flickr-widget.php(6): register_widget('Flickr_Widget') #3 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-hook.php(287): flickr_load_widgets('') #4 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #5 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #6 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/widgets.php(1795): do_action('widgets_init') #7 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-hook.php(287): wp_widgets_init('') #8 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #9 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #10 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-settings.php(557): do_action('init') #11 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-config.php(102): require_once('/data02/virt597...') #12 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-load.php(37): require_once('/data02/virt597...') #13 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-blog-header.php(13): require_once('/data02/virt597...') #14 /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/index.php(17): require('/data02/virt597...') #15 {main} thrown in /data02/virt59737/domeenid/www.xn--rehekn-7yaa.ee/htdocs/wp-includes/class-wp-widget.php on line 162