Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\Controller\ControllerResolverInterface" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\symfony\http-kernel\Controller\TraceableControllerResolver.php:20 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\symfony\http-kernel\Controller\TraceableControllerResolver.php on line 20