An exception occured while bootstrapping the application.

session has already been started by session.auto-start or session_start()
Stack Trace:
#0 /var/vhosts/totalinvestor.co.uk/library/Zend/Session/Namespace.php(143): Zend_Session::start(true)
#1 /var/vhosts/totalinvestor.co.uk/library/Masters/Controller/Action.php(164): Zend_Session_Namespace->__construct('PageSettings')
#2 /var/vhosts/totalinvestor.co.uk/library/Masters/Controller/Action.php(43): Masters_Controller_Action->setPageSession()
#3 /var/vhosts/totalinvestor.co.uk/library/Masters/Controller/Default.php(15): Masters_Controller_Action->init()
#4 /var/vhosts/totalinvestor.co.uk/library/Zend/Controller/Action.php(133): Masters_Controller_Default->init()
#5 /var/vhosts/totalinvestor.co.uk/library/Zend/Controller/Dispatcher/Standard.php(262): Zend_Controller_Action->__construct(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http), Array)
#6 /var/vhosts/totalinvestor.co.uk/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#7 /var/vhosts/totalinvestor.co.uk/library/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch()
#8 /var/vhosts/totalinvestor.co.uk/library/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#9 /var/vhosts/totalinvestor.co.uk/public_html/index.php(76): Zend_Application->run()
#10 {main}