Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Tests\AbstractEventDispatcherTest' not found in D:\xampp\htdocs\erp_api\vendor\symfony\event-dispatcher\Symfony\Component\EventDispatcher\Tests\ContainerAwareEventDispatcherTest.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\symfony\event-dispatcher\Symfony\Component\EventDispatcher\Tests\ContainerAwareEventDispatcherTest.php on line 20