Fatal error: Uncaught Error: Class 'Metadata\MergeableClassMetadata' not found in /home/logercm/dev.loger.cm/vendor/jms/serializer/src/Metadata/ClassMetadata.php:24 Stack trace: #0 {main} thrown in /home/logercm/dev.loger.cm/vendor/jms/serializer/src/Metadata/ClassMetadata.php on line 24