After upgrading the server I used to get this type of error from Plesk cpanel
Type: Zend_Controller_Exception
Message: Permission denied.#0
/opt/psa/admin/plib/vendor/plesk/zendframework/library/Zend/Controller/Plugin/Broker.php(309)
:Plesk\Application\Controller\Plugin\ForgeryProtection->preDispatch(Object(Zend_Controller_Request_Http))
#1/opt/psa/admin/plib/vendor/plesk/zendframework/library/Zend/Controller/Front.php(941)
:Zend_Controller_Plugin_Broker->preDispatch(Object(Zend_Controller_Request_Http))
#2/opt/psa/admin/plib/Application/Web.php(39): Zend_Controller_Front->dispatch(Object(Zend_Controller_Request_Http))
#3/opt/psa/admin/htdocs/application.php(15): Plesk\Application_Web->run()
#4{main}
File: Brokerer.php
Line: 312
What was the error related to Zend in the above context?