Fatal error: Uncaught Error: Class "Magento\Framework\Api\AbstractExtensibleObject" not found in /var/www/magento/html/app/code/Aheadworks/Blog/Model/Data/Author.php:27 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/Model/Data/Author.php on line 27