Fatal error: Call to undefined function get_blog_details()

Hello,
Im trying to set up the live stream widget, but it call an error :
Fatal error: Call to undefined function get_blog_details() in /homez.559/******/www/wp-content/plugins/live-stream-widget/live-stream.php on line 1040
My wordpress version : 3.4.2
Buddypress version : 1.6.1

Thanks in advance for help ,
Oli