Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Definition" not found in C:\xampp\htdocs\hannoole\PMS\vendor\symfony\dependency-injection\ChildDefinition.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\symfony\dependency-injection\ChildDefinition.php on line 22