Warning from regenerateID($deleteOldSession=false) in CHttpSession

Hi there ,

I am getting this error running a console command. It disappears when using yii-1.1.7.r3135 so I think it may be a framework issue. Thanks!

PHP Warning: session_regenerate_id(): Cannot regenerate session id - headers already sent in /home/johnny/Sites/yii-1.1.8.r3324/framework/web/CHttpSession.php on line 166

Warning: session_regenerate_id(): Cannot regenerate session id - headers already sent in /home/johnny/Sites/yii-1.1.8.r3324/framework/web/CHttpSession.php on line 166