Fatal error: Uncaught Error: Class "Metadata\ClassMetadata" not found in /home/appacfrykg/www-preprod/vendor/jms/metadata/src/MergeableClassMetadata.php:7 Stack trace: #0 {main} thrown in /home/appacfrykg/www-preprod/vendor/jms/metadata/src/MergeableClassMetadata.php on line 7