Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in /home/trpdev/public_html/vendor/symfony/framework-bundle/Tests/Functional/Bundle/TestBundle/DependencyInjection/TestExtension.php:19 Stack trace: #0 {main} thrown in /home/trpdev/public_html/vendor/symfony/framework-bundle/Tests/Functional/Bundle/TestBundle/DependencyInjection/TestExtension.php on line 19