Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-widget.php:162
Stack trace:
#0 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct()
#1 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/widgets.php(115): WP_Widget_Factory->register('SlideshowPlugin...')
#2 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-content/plugins/slideshow-jquery-image-gallery/classes/SlideshowPluginWidget.php(153): register_widget('SlideshowPlugin...')
#3 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-hook.php(292): SlideshowPluginWidget::registerWidget('')
#4 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#5 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#6 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/widgets.php(1799): do_action('widgets_init')
#7 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-hook.php(292): wp_widgets_init('')
#8 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#9 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#10 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-settings.php(560): do_action('init')
#11 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-config.php(90): require_once('/data03/virt463...')
#12 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-load.php(37): require_once('/data03/virt463...')
#13 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-blog-header.php(13): require_once('/data03/virt463...')
#14 /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/index.php(17): require('/data03/virt463...')
#15 {main}
thrown in /data03/virt46336/domeenid/www.vitarsis.ee/htdocs/wp-includes/class-wp-widget.php on line 162