Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /usr/www/users/stagntrwzn/home/wp-includes/class-wp-widget-factory.php on line 71 and at least 2 expected in /usr/www/users/stagntrwzn/home/wp-includes/class-wp-widget.php:162
Stack trace:
#0 /usr/www/users/stagntrwzn/home/wp-includes/class-wp-widget-factory.php(71): WP_Widget->__construct()
#1 /usr/www/users/stagntrwzn/home/wp-includes/widgets.php(115): WP_Widget_Factory->register('SlideshowPlugin...')
#2 /usr/www/users/stagntrwzn/home/wp-content/plugins/slideshow-jquery-image-gallery/classes/SlideshowPluginWidget.php(153): register_widget('SlideshowPlugin...')
#3 /usr/www/users/stagntrwzn/home/wp-includes/class-wp-hook.php(288): SlideshowPluginWidget::registerWidget('')
#4 /usr/www/users/stagntrwzn/home/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array)
#5 /usr/www/users/stagntrwzn/home/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#6 /usr/www/users/stagntrwzn/home/wp-includes/widgets.php(1765): do_action('widgets_init')
#7 /usr/www/users/stagntrwzn/home/wp-includes/class-wp-hook.php(288): wp_widgets_init('')
#8 /usr/www/users/stagntrwzn/home/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array)
#9 /usr/www/users/stagntrwzn/home/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#10 /usr/www/users/stagntrwzn/home/wp-settings.php(523): do_action('init')
#11 /usr/www/users/stagntrwzn/home/wp-config.php(90): require_once('/usr/www/users/...')
#12 /usr/www/users/stagntrwzn/home/wp-load.php(37): require_once('/usr/www/users/...')
#13 /usr/www/users/stagntrwzn/home/wp-blog-header.php(13): require_once('/usr/www/users/...')
#14 /usr/www/users/stagntrwzn/home/index.php(17): require('/usr/www/users/...')
#15 {main}
  thrown in /usr/www/users/stagntrwzn/home/wp-includes/class-wp-widget.php on line 162