The session has already been started. The session id must be set first.

#0 /home/fukuhara/public_html/Zend/Session.php(426): Zend_Session::setId('d97b9cb9b91e2d6...')
#1 /home/fukuhara/public_html/Zend/Session/Namespace.php(143): Zend_Session::start(true)
#2 /home/fukuhara/public_html/Application/Model/Session/Member.php(21): Zend_Session_Namespace->__construct('member', true)
#3 /home/fukuhara/public_html/Application/Controller/Portal/Abstract.php(60): Application_Model_Session_Member->__construct()
#4 /home/fukuhara/public_html/Application/Controller/Abstract.php(18): Application_Controller_Portal_Abstract->_init()
#5 /home/fukuhara/public_html/Zend/Controller/Action.php(133): Application_Controller_Abstract->init()
#6 /home/fukuhara/public_html/Zend/Controller/Dispatcher/Standard.php(281): Zend_Controller_Action->__construct(Object(Application_Controller_Request_Http), Object(Application_Controller_Response_Http), Array)
#7 /home/fukuhara/public_html/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Application_Controller_Request_Http), Object(Application_Controller_Response_Http))
#8 /home/fukuhara/public_html/Interface/portal.php(62): Zend_Controller_Front->dispatch()
#9 {main}