Fatal error: Uncaught Error: Class "Concrete\Core\Page\Command\AbstractRebuildIndexCommand" not found in /home/steele15/public_html/voice/concrete/src/User/Command/RebuildUserIndexCommand.php:10 Stack trace: #0 {main} thrown in /home/steele15/public_html/voice/concrete/src/User/Command/RebuildUserIndexCommand.php on line 10