Fatal error: Uncaught Error: Class "Symfony\Bundle\TwigBundle\Controller\ExceptionController" not found in /home/capacita/public_html/aula.certificateperu.com/src/Chamilo/ThemeBundle/Controller/ExceptionController.php:13 Stack trace: #0 {main} thrown in /home/capacita/public_html/aula.certificateperu.com/src/Chamilo/ThemeBundle/Controller/ExceptionController.php on line 13