Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-includes/class-wp-widget.php:162 Stack trace: #0 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct() #1 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-includes/widgets.php(115): WP_Widget_Factory->register('Flickr_Widget') #2 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-content/themes/rttheme18_old/rt-framework/classes/loading.php(765): register_widget('Flickr_Widget') #3 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-content/themes/rttheme18_old/rt-framework/classes/loading.php(441): RTTheme->load_widgets(Array) #4 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-content/themes/rttheme18_old/functions.php(70): RTTheme->start(Array) #5 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-content/themes/rttheme18_old/functions.php(74): load_rttheme() #6 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-settings.php(546): include('/customers/1/c/...') #7 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-config.php(96): require_once('/customers/1/c/...') #8 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-load.php(50): require_once('/customers/1/c/...') #9 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-blog-header.php(13): require_once('/customers/1/c/...') #10 /customers/1/c/e/rondoniassicurazioni.com/httpd.www/index.php(17): require('/customers/1/c/...') #11 {main} thrown in /customers/1/c/e/rondoniassicurazioni.com/httpd.www/wp-includes/class-wp-widget.php on line 162