Fatal error: Uncaught Error: Class "core\external\exporter" not found in /home/tecnovi4/public_html/transporte.tecnovirtual.edu.ec/lib/classes/external/persistent_exporter.php:36 Stack trace: #0 {main} thrown in /home/tecnovi4/public_html/transporte.tecnovirtual.edu.ec/lib/classes/external/persistent_exporter.php on line 36