Fatal error: Uncaught TypeError: Argument 1 passed to DOMDocument::importNode() must be an instance of DOMNode, null given in /web/htdocs/www.studiovisentin.it/home/wp-content/plugins/flickr-badges-widget/main.php:188
Stack trace:
#0 /web/htdocs/www.studiovisentin.it/home/wp-content/plugins/flickr-badges-widget/main.php(188): DOMDocument->importNode(NULL, true)
#1 /web/htdocs/www.studiovisentin.it/home/wp-content/plugins/flickr-badges-widget/widget.php(129): flickr_badges_widget(Array)
#2 /web/htdocs/www.studiovisentin.it/home/wp-includes/class-wp-widget.php(380): Flickr_Badges_Widget->widget(Array, Array)
#3 /web/htdocs/www.studiovisentin.it/home/wp-includes/widgets.php(823): WP_Widget->display_callback(Array, Array)
#4 /web/htdocs/www.studiovisentin.it/home/wp-content/themes/rttheme15/rt-framework/classes/sidebar_creator.php(245): dynamic_sidebar('common-sidebar')
#5 /web/htdocs/www.studiovisentin.it/home/wp-content/themes/rttheme15/sidebar.php(6): RT_Create_Sidebars->rt_get_sidebar()
#6 /web/htdocs/www.studiovisentin.i in /web/htdocs/www.studiovisentin.it/home/wp-content/plugins/flickr-badges-widget/main.php on line 188