Fatal error: Uncaught Error: Class "Wysiwyg\Controller\AppController" not found in C:\xampp\htdocs\QuickApps\plugins\Wysiwyg\src\Controller\Admin\FinderController.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\QuickApps\plugins\Wysiwyg\src\Controller\Admin\FinderController.php on line 20