Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\RequestMatcherInterface" not found in D:\Apache24\www\trace\新建文件夹\Backstage\vendor\symfony\http-foundation\RequestMatcher.php:19 Stack trace: #0 {main} thrown in D:\Apache24\www\trace\新建文件夹\Backstage\vendor\symfony\http-foundation\RequestMatcher.php on line 19