Fatal error: Uncaught Error: Class "Symfony\Component\Console\Event\ConsoleEvent" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\console\Event\ConsoleTerminateEvent.php:23 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\console\Event\ConsoleTerminateEvent.php on line 23