Fatal error: Uncaught Error: Class "Magento\Eav\Model\Entity\Attribute\Backend\Increment" not found in /var/www/magento/html/generated/code/Magento/Eav/Model/Entity/Attribute/Backend/Increment/Interceptor.php:7 Stack trace: #0 {main} thrown in /var/www/magento/html/generated/code/Magento/Eav/Model/Entity/Attribute/Backend/Increment/Interceptor.php on line 7