Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Extension\Extension' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\framework-bundle\Tests\Functional\Bundle\TestBundle\DependencyInjection\TestExtension.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\framework-bundle\Tests\Functional\Bundle\TestBundle\DependencyInjection\TestExtension.php on line 19