Fatal error: Uncaught exception 'Zend_Controller_Response_Exception' with message 'Cannot send headers; headers already sent in /var/www/application/controllers/ShowController.php, line 39' in /var/www/library/Zend/Controller/Response/Abstract.php:281 Stack trace: #0 /var/www/library/Zend/Controller/Response/Abstract.php(299): Zend_Controller_Response_Abstract->canSendHeaders(true) #1 /var/www/library/Zend/Controller/Response/Abstract.php(727): Zend_Controller_Response_Abstract->sendHeaders() #2 /var/www/library/Zend/Controller/Front.php(972): Zend_Controller_Response_Abstract->sendResponse() #3 /var/www/public/index.php(48): Zend_Controller_Front->dispatch() #4 {main} thrown in /var/www/library/Zend/Controller/Response/Abstract.php on line 281