ERROR

Sorry bad things have happened :(.
		Exception: Unauthorized  in /home/pysclub/public_html/new/class/User_Session_class.php:79
Stack trace:
#0 /home/pysclub/public_html/new/class/Article_class.php(165): User_Session::unauthorized('')
#1 /home/pysclub/public_html/new/class/Article_class.php(172): Article->authorize()
#2 /home/pysclub/public_html/new/article.php(21): Article->get_title()
#3 {main}Array
(
    [id] => 37
)