Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/capacita/public_html/aula.certificateperu.com/src/Chamilo/UserBundle/DependencyInjection/ChamiloUserExtension.php:16 Stack trace: #0 {main} thrown in /home/capacita/public_html/aula.certificateperu.com/src/Chamilo/UserBundle/DependencyInjection/ChamiloUserExtension.php on line 16