Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in C:\Apache24\htdocs\fixedasset\vendor\doctrine\dbal\lib\Doctrine\DBAL\Event\SchemaEventArgs.php:10 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\fixedasset\vendor\doctrine\dbal\lib\Doctrine\DBAL\Event\SchemaEventArgs.php on line 10