Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Fragment\FragmentHandler" not found in I:\www\picman\vendor\symfony\http-kernel\DependencyInjection\LazyLoadingFragmentHandler.php:24 Stack trace: #0 {main} thrown in I:\www\picman\vendor\symfony\http-kernel\DependencyInjection\LazyLoadingFragmentHandler.php on line 24