Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in D:\programs\xampp\htdocs\antares-backend-stage\vendor\dcblogdev\laravel-dropbox\src\DropboxServiceProvider.php:8 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\antares-backend-stage\vendor\dcblogdev\laravel-dropbox\src\DropboxServiceProvider.php on line 8