Fatal error: Uncaught Error: Class "Symfony\Component\Config\Resource\SelfCheckingResourceChecker" not found in C:\laragon\www\siesicis\ovh-sms\vendor\symfony\config\Resource\BCResourceInterfaceChecker.php:21 Stack trace: #0 {main} thrown in C:\laragon\www\siesicis\ovh-sms\vendor\symfony\config\Resource\BCResourceInterfaceChecker.php on line 21