新手关于gii 进去后出错问题 [ 未指定版本 ]

我用的是windows2003，用/index.php?r=gii进去后，能跳出密码界面，输入密码后，进去报错

PHP warning

session_regenerate_id() [<a href='function.session-regenerate-id'>function.session-regenerate-id</a>]: Session object destruction failed

D:\extsprite\framework\web\CHttpSession.php(185)

173     {
174         session_id($value);
175     }
176 
177     /**
178      * Updates the current session id with a newly generated one .
179      * Please refer to {@link http://php.net/session_regenerate_id} for more details.
180      * @param boolean $deleteOldSession Whether to delete the old associated session file or not.
181      * @since 1.1.8
182      */
183     public function regenerateID($deleteOldSession=false)
184     {
185         session_regenerate_id($deleteOldSession);
186     }
187 
188     /**
189      * @return string the current session name
190      */
191     public function getSessionName()
192     {
193         return session_name();
194     }
195 
196     /**
197      * @param string $value the session name for the current session, must be an alphanumeric string, defaults to PHPSESSID

这个东西如何解决？