Fatal error: Uncaught Error: Class 'TcpdfFpdi' not found in /var/www/e-learning/honban/application/modules/default/controllers/IndexController.php:473
Stack trace:
#0 /usr/local/ZendFramework/library/Zend/Controller/Action.php(516): IndexController->downloadpdfAction()
#1 /usr/local/ZendFramework/library/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action->dispatch('downloadpdfActi...')
#2 /usr/local/ZendFramework/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#3 /var/www/e-learning/honban/html/index.php(14): Zend_Controller_Front->dispatch()
#4 {main}
  thrown in /var/www/e-learning/honban/application/modules/default/controllers/IndexController.php on line 473