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