Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /home/www/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /home/www/wp-includes/class-wp-widget.php:162
Stack trace:
#0 /home/www/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct()
#1 /home/www/wp-includes/widgets.php(115): WP_Widget_Factory->register('WP_RSSjb')
#2 /home/www/wp-content/plugins/rss-just-better/RSS-just-better.php(93): register_widget('WP_RSSjb')
#3 /home/www/wp-includes/class-wp-hook.php(292): funct_RSSjb('')
#4 /home/www/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#5 /home/www/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#6 /home/www/wp-includes/widgets.php(1799): do_action('widgets_init')
#7 /home/www/wp-includes/class-wp-hook.php(292): wp_widgets_init('')
#8 /home/www/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#9 /home/www/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#10 /home/www/wp-settings.php(560): do_action('init')
#11 /home/www/wp-config.php(89): require_once('/home/www/wp-se...')
#12 /home/www/wp-load.php(37): require_once('/home/www/wp-co...')
#13 /home/www/wp-blog-header.php(13): require_once('/home/www/wp-lo...')
#14 /home/www/index.php(17): require('/home/www/wp-bl...')
#15 {main}
thrown in /home/www/wp-includes/class-wp-widget.php on line 162