Fatal error: Uncaught Error: Class "core\dataformat\base" not found in /home/edepracl/public_html/moodle30/lib/classes/dataformat/spout_base.php:36 Stack trace: #0 {main} thrown in /home/edepracl/public_html/moodle30/lib/classes/dataformat/spout_base.php on line 36