Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /customers/b/e/5/splitska-villas.com/httpd.www/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /customers/b/e/5/splitska-villas.com/httpd.www/wp-includes/class-wp-widget.php:162
Stack trace:
#0 /customers/b/e/5/splitska-villas.com/httpd.www/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct()
#1 /customers/b/e/5/splitska-villas.com/httpd.www/wp-includes/widgets.php(115): WP_Widget_Factory->register('calluna_social_...')
#2 /customers/b/e/5/splitska-villas.com/httpd.www/wp-content/themes/calluna/inc/widgets/calluna-social-widget.php(209): register_widget('calluna_social_...')
#3 /customers/b/e/5/splitska-villas.com/httpd.www/wp-content/themes/calluna/inc/widgets/widgets.php(8): include_once('/customers/b/e/...')
#4 /customers/b/e/5/splitska-villas.com/httpd.www/wp-content/themes/calluna/functions.php(235): include_once('/customers/b/e/...')
#5 /customers/b/e/5/splitska-villas.com/httpd.www/wp-settings.php(528): include('/customers/b/e/...')
#6 /customers/b/e/5/splitska-villas.com/httpd.www/wp-config.php(96): require_once('/customers/b/e/...')
#7 /customers/b/e/5/splitska-villas.com/httpd.www/wp-load.php(37): require_once('/customers/b/e/...')
#8 /customers/b/e/5/splitska-villas.com/httpd.www/wp-blog-header.php(13): require_once('/customers/b/e/...')
#9 /customers/b/e/5/splitska-villas.com/httpd.www/index.php(17): require('/customers/b/e/...')
#10 {main}
  thrown in /customers/b/e/5/splitska-villas.com/httpd.www/wp-includes/class-wp-widget.php on line 162