Fatal error: Uncaught Error: Class "Concrete\Core\File\Command\GeneratedThumbnailCommand" not found in /home/elcrestweb/public_html/concrete/src/File/Command/GenerateThumbnailAsyncCommand.php:7 Stack trace: #0 {main} thrown in /home/elcrestweb/public_html/concrete/src/File/Command/GenerateThumbnailAsyncCommand.php on line 7