Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Fragment\FragmentHandler" not found in /home/softwarehome/public_html/API-CENTER/vendor/symfony/http-kernel/DependencyInjection/LazyLoadingFragmentHandler.php:23 Stack trace: #0 {main} thrown in /home/softwarehome/public_html/API-CENTER/vendor/symfony/http-kernel/DependencyInjection/LazyLoadingFragmentHandler.php on line 23