Fatal error: Uncaught Error: Interface 'Symfony\Cmf\Component\Routing\ChainRouterInterface' not found in C:\SistemasPHP\observatorio4\vendor\symfony-cmf\routing\src\ChainRouter.php:33 Stack trace: #0 {main} thrown in C:\SistemasPHP\observatorio4\vendor\symfony-cmf\routing\src\ChainRouter.php on line 33