Caught exception: Zend_Db_Statement_Exception
Message: SQLSTATE[HY000]: General error: 1021 Disk full (/var/tmp/#sql_3c4d_0); waiting for someone to free some space..., query was: DESCRIBE `session`
<br />
<b>Fatal error</b>:  Uncaught Zend_Session_Exception: session has already been started by session.auto-start or session_start() in /var/www/vhosts/atcsalinello.it/library/Zend/Session.php:469
Stack trace:
#0 /var/www/vhosts/atcsalinello.it/library/Zend/Session/Namespace.php(143): Zend_Session::start()
#1 /var/www/vhosts/atcsalinello.it/library/Zend/Auth/Storage/Session.php(86): Zend_Session_Namespace-&gt;__construct()
#2 /var/www/vhosts/atcsalinello.it/library/Zend/Auth.php(91): Zend_Auth_Storage_Session-&gt;__construct()
#3 /var/www/vhosts/atcsalinello.it/library/Zend/Auth.php(141): Zend_Auth-&gt;getStorage()
#4 /var/www/vhosts/atcsalinello.it/library/App/Controller/Plugin/Acl.php(12): Zend_Auth-&gt;hasIdentity()
#5 /var/www/vhosts/atcsalinello.it/application/Bootstrap.php(368): App_Controller_Plugin_Acl-&gt;__construct()
#6 /var/www/vhosts/atcsalinello.it/library/Zend/Application/Bootstrap/BootstrapAbstract.php(681): Bootstrap-&gt;_initFrontControllerPlugin()
#7 /var/www/vhosts/atcsalinello.it/library/Zend/Application/Bootstrap/BootstrapAbstract in <b>/var/www/vhosts/atcsalinello.it/library/Zend/Session.php</b> on line <b>469</b><br />