Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\EventDispatcher' not found in D:\xampp\htdocs\erp_api\vendor\symfony\http-kernel\Symfony\Component\HttpKernel\Tests\Fixtures\TestEventDispatcher.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\http-kernel\Symfony\Component\HttpKernel\Tests\Fixtures\TestEventDispatcher.php on line 17