Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-widget.php:162 Stack trace: #0 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct() #1 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/widgets.php(115): WP_Widget_Factory->register('SlideshowPlugin...') #2 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-content/plugins/slideshow-jquery-image-gallery/classes/SlideshowPluginWidget.php(148): register_widget('SlideshowPlugin...') #3 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-hook.php(307): SlideshowPluginWidget::registerWidget('') #4 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array) #5 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #6 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/widgets.php(1854): do_action('widgets_init') #7 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-hook.php(307): wp_widgets_init('') #8 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #9 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #10 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-settings.php(587): do_action('init') #11 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-config.php(88): require_once('/pages/ad/b7/d0...') #12 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-load.php(50): require_once('/pages/ad/b7/d0...') #13 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-blog-header.php(13): require_once('/pages/ad/b7/d0...') #14 /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/index.php(17): require('/pages/ad/b7/d0...') #15 {main} thrown in /pages/ad/b7/d0008681/home/htdocs/english.smrehberg.de/wp-includes/class-wp-widget.php on line 162