Fatal error: Uncaught Error: Interface "Chamilo\ThemeBundle\Model\MessageInterface" not found in /home/capacita/public_html/aula.certificateperu.com/src/Chamilo/ThemeBundle/Model/MessageModel.php:13 Stack trace: #0 {main} thrown in /home/capacita/public_html/aula.certificateperu.com/src/Chamilo/ThemeBundle/Model/MessageModel.php on line 13