Fatal error: Uncaught Error: Class "core\event\base" not found in /home/tecnovi4/public_html/transporte.tecnovirtual.edu.ec/lib/classes/event/draft_file_added.php:39 Stack trace: #0 {main} thrown in /home/tecnovi4/public_html/transporte.tecnovirtual.edu.ec/lib/classes/event/draft_file_added.php on line 39