Fatal error: Uncaught Error: Class 'Metadata\ClassMetadata' not found in C:\xampp\htdocs\ApiSigestWin\1.20.01.20.4\vendor\jms\metadata\src\NullMetadata.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.20.01.20.4\vendor\jms\metadata\src\NullMetadata.php on line 12