Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-includes/class-wp-widget-factory.php on line 62 and at least 2 expected in /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-includes/class-wp-widget.php:163 Stack trace: #0 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-includes/class-wp-widget-factory.php(62): WP_Widget->__construct() #1 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-includes/widgets.php(115): WP_Widget_Factory->register('App_Newsletter') #2 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-content/themes/eventor/inc/widgets/widget-newsletter.php(163): register_widget('App_Newsletter') #3 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-content/themes/eventor/functions.php(865): require_once('/data02/virt539...') #4 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-settings.php(663): include('/data02/virt539...') #5 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-config.php(101): require_once('/data02/virt539...') #6 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-load.php(50): require_once('/data02/virt539...') #7 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-blog-header.php(13): require_once('/data02/virt539...') #8 /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/index.php(17): require('/data02/virt539...') #9 {main} thrown in /data02/virt53987/domeenid/www.prolog.ee/htdocs/aastakonverents/wp-includes/class-wp-widget.php on line 163