Fatal error: Uncaught Error: Class "ApiPlatform\SchemaGenerator\AttributeGenerator\AbstractAttributeGenerator" not found in /var/www/html/vendor/api-platform/schema-generator/src/AttributeGenerator/ConfigurationAttributeGenerator.php:22 Stack trace: #0 {main} thrown in /var/www/html/vendor/api-platform/schema-generator/src/AttributeGenerator/ConfigurationAttributeGenerator.php on line 22