Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in C:\xampp\htdocs\hoteline\vendor\symfony\http-kernel\Tests\Fixtures\ExtensionPresentBundle\DependencyInjection\ExtensionPresentExtension.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hoteline\vendor\symfony\http-kernel\Tests\Fixtures\ExtensionPresentBundle\DependencyInjection\ExtensionPresentExtension.php on line 17