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