Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-widget.php:162 Stack trace: #0 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct() #1 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/widgets.php(115): WP_Widget_Factory->register('SlideshowPlugin...') #2 /var/www/domains/domain-habigtsberg/habigtsberg/wp-content/plugins/slideshow-jquery-image-gallery/classes/SlideshowPluginWidget.php(153): register_widget('SlideshowPlugin...') #3 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-hook.php(287): SlideshowPluginWidget::registerWidget('') #4 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters('', Array) #5 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #6 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/widgets.php(1773): do_action('widgets_init') #7 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-hook.php(287): wp_widgets_init('') #8 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #9 /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #10 /var/www/domains/domain-habigtsberg/habigtsberg/wp-settings.php(546): do_action('init') #11 /var/www/domains/domain-habigtsberg/habigtsberg/wp-config.php(88): require_once('/var/www/domain...') #12 /var/www/domains/domain-habigtsberg/habigtsberg/wp-load.php(37): require_once('/var/www/domain...') #13 /var/www/domains/domain-habigtsberg/habigtsberg/wp-blog-header.php(13): require_once('/var/www/domain...') #14 /var/www/domains/domain-habigtsberg/habigtsberg/index.php(17): require('/var/www/domain...') #15 {main} thrown in /var/www/domains/domain-habigtsberg/habigtsberg/wp-includes/class-wp-widget.php on line 162