Fatal error: Uncaught Error: Class "core_external\external_api" not found in /home/tecnovi4/public_html/transporte.tecnovirtual.edu.ec/lib/classes/external/moodlenet_send_course.php:42 Stack trace: #0 {main} thrown in /home/tecnovi4/public_html/transporte.tecnovirtual.edu.ec/lib/classes/external/moodlenet_send_course.php on line 42