Fatal error: Uncaught Error: Class "Symfony\Component\Config\Definition\Dumper\YamlReferenceDumper" not found in C:\laragon\www\siesicis\ovh-sms\vendor\symfony\config\Definition\ReferenceDumper.php:22 Stack trace: #0 {main} thrown in C:\laragon\www\siesicis\ovh-sms\vendor\symfony\config\Definition\ReferenceDumper.php on line 22