Warning: Constant ABSPATH already defined in /homepages/10/d278896741/htdocs/wordpress/wp-config.php on line 31

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Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-widget.php:162 Stack trace: #0 /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-widget-factory.php(61): WP_Widget->__construct() #1 /homepages/10/d278896741/htdocs/wordpress/wp-includes/widgets.php(115): WP_Widget_Factory->register('SmartYouTube_Wi...') #2 /homepages/10/d278896741/htdocs/wordpress/wp-content/plugins/smart-youtube/smartyoutube.php(1393): register_widget('SmartYouTube_Wi...') #3 /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-hook.php(287): SmartYouTube_PRO->load_widgets('') #4 /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #5 /homepages/10/d278896741/htdocs/wordpress/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #6 /homepages/10/d278896741/htdocs/wordpress/wp-includes/widgets.php(1795): do_action('widgets_init') #7 /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-hook.php(287): wp_widgets_init('') #8 /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #9 /homepages/10/d278896741/htdocs/wordpress/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #10 /homepages/10/d278896741/htdocs/wordpress/wp-settings.php(557): do_action('init') #11 /homepages/10/d278896741/htdocs/wordpress/wp-config.php(32): require_once('/homepages/10/d...') #12 /homepages/10/d278896741/htdocs/wordpress/wp-load.php(37): require_once('/homepages/10/d...') #13 /homepages/10/d278896741/htdocs/wordpress/wp-login.php(12): require('/homepages/10/d...') #14 {main} thrown in /homepages/10/d278896741/htdocs/wordpress/wp-includes/class-wp-widget.php on line 162