Fatal error: Uncaught Error: Interface "Magento\Framework\Data\OptionSourceInterface" not found in /var/www/magento/html/app/code/Aheadworks/Blog/Model/Source/Post/AuthorDisplayMode.php:24 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/Model/Source/Post/AuthorDisplayMode.php on line 24