Fatal error: Uncaught Error: Class "Robo\Task\Bower\Base" not found in C:\Apache24\htdocs\cms_upgrade\vendor\consolidation\robo\src\Task\Bower\Update.php:20 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\consolidation\robo\src\Task\Bower\Update.php on line 20