Fatal error: Uncaught exception 'Zend_Session_Exception' with message 'session has already been started by session.auto-start or session_start()' in /data/vhost/library/Zend/Session.php:451
Stack trace:
#0 /data/vhost/library/Zend/Session/Namespace.php(143): Zend_Session::start(true)
#1 /data/vhost/library/Zend/Auth/Storage/Session.php(87): Zend_Session_Namespace->__construct('Zend_Auth')
#2 /data/vhost/library/Zend/Auth.php(91): Zend_Auth_Storage_Session->__construct()
#3 /data/vhost/library/Zend/Auth.php(141): Zend_Auth->getStorage()
#4 /data/vhost/www.mcz.it/library/MCZ/Controller/Action/Helper/Acl.php(61): Zend_Auth->hasIdentity()
#5 /data/vhost/www.mcz.it/library/MCZ/Controller/Action/Helper/Acl.php(35): MCZ_Controller_Action_Helper_Acl->getUserRole()
#6 /data/vhost/library/Zend/Controller/Action/HelperBroker.php(253): MCZ_Controller_Action_Helper_Acl->init()
#7 /data/vhost/library/Zend/Controller/Action.php(132): Zend_Controller_Action_HelperBroker->__construct(Object(Red_ErrorController))
#8 /data/vhost/library/Zen in /data/vhost/library/Zend/Controller/Plugin/Broker.php on line 336