Fatal error: Uncaught Error: Class "ApiPlatform\Metadata\Extractor\AbstractPropertyExtractor" not found in /var/www/html/API_Forum/vendor/api-platform/metadata/Extractor/XmlPropertyExtractor.php:24 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/api-platform/metadata/Extractor/XmlPropertyExtractor.php on line 24