Fatal error: Uncaught Error: Interface "Symfony\Component\Routing\Matcher\UrlMatcherInterface" not found in C:\mywamp\sites\allsite\calcomposer\vendor\symfony\routing\RouterInterface.php:24 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\symfony\routing\RouterInterface.php on line 24