Fatal error: Uncaught Error: Class "Dcblogdev\Dropbox\Dropbox" not found in D:\programs\xampp\htdocs\backend-test\vendor\dcblogdev\laravel-dropbox\src\Resources\Files.php:12 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\dcblogdev\laravel-dropbox\src\Resources\Files.php on line 12