Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Mapping\GenericMetadata" not found in /home/tubu/public_html/Opigno_D9_kedecs/opigno-composer/vendor/symfony/validator/Mapping/ClassMetadata.php:29 Stack trace: #0 {main} thrown in /home/tubu/public_html/Opigno_D9_kedecs/opigno-composer/vendor/symfony/validator/Mapping/ClassMetadata.php on line 29