Invalid controller specified (Microsoft.XMLHTTP)

#0 /var/www/vhosts/w.3534.platform.net.nz/totallyawesome.co.nz/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#1 /var/www/vhosts/w.3534.platform.net.nz/totallyawesome.co.nz/index.php(61): Zend_Controller_Front->dispatch()
#2 {main}