Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Definition" not found in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\DependencyInjection\DirectoryResourceDefinition.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\DependencyInjection\DirectoryResourceDefinition.php on line 22