Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Event\SchemaEventArgs' not found in /home/clademy/lms.clademy.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Event/SchemaColumnDefinitionEventArgs.php:32 Stack trace: #0 {main} thrown in /home/clademy/lms.clademy.com/vendor/doctrine/dbal/lib/Doctrine/DBAL/Event/SchemaColumnDefinitionEventArgs.php on line 32