Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Exception\InvalidArgumentException" not found in /home/ntpcbgtpp/public_html/mat1/vendor/symfony/dependency-injection/Exception/ServiceNotFoundException.php:21 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/vendor/symfony/dependency-injection/Exception/ServiceNotFoundException.php on line 21