Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\ContainerBuilder" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/dependency-injection/Tests/Fixtures/containers/container11.php:6 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/dependency-injection/Tests/Fixtures/containers/container11.php on line 6