Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-includes/class-wp-widget-factory.php on line 62 and at least 2 expected in /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-includes/class-wp-widget.php:163 Stack trace: #0 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-includes/class-wp-widget-factory.php(62): WP_Widget->__construct() #1 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-includes/widgets.php(115): WP_Widget_Factory->register('Twitter_Widget') #2 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-content/themes/rttheme15/rt-framework/classes/loading.php(361): register_widget('Twitter_Widget') #3 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-content/themes/rttheme15/rt-framework/classes/loading.php(249): RTTheme->load_widgets(Array) #4 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-content/themes/rttheme15/functions.php(32): RTTheme->start(Array) #5 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-settings.php(663): include('/data01/virt309...') #6 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-config.php(90): require_once('/data01/virt309...') #7 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-load.php(50): require_once('/data01/virt309...') #8 /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-blog-header.php(13): require_once('/data01/virt309...') #9 /data01/virt30906/domeenid/www.claviski.ee/htdocs/index.php(17): require('/data01/virt309...') #10 {main} thrown in /data01/virt30906/domeenid/www.claviski.ee/htdocs/wp-includes/class-wp-widget.php on line 163