Fatal error: Uncaught Error: Class "Magento\Framework\Code\Generator\EntityAbstract" not found in /home/airtimer/public_html/vendor/magento/framework-message-queue/Code/Generator/RemoteServiceGenerator.php:21 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/magento/framework-message-queue/Code/Generator/RemoteServiceGenerator.php on line 21