Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in C:\mywamp\sites\allsite\microfinance2\vendor\doctrine\dbal\src\Event\SchemaEventArgs.php:10 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\microfinance2\vendor\doctrine\dbal\src\Event\SchemaEventArgs.php on line 10