Fatal error: Uncaught Error: Class "League\Flysystem\Adapter\AbstractAdapter" not found in C:\laragon\www\apidian-laravel-8-s3\vendor\spatie\flysystem-dropbox\src\DropboxAdapter.php:12 Stack trace: #0 {main} thrown in C:\laragon\www\apidian-laravel-8-s3\vendor\spatie\flysystem-dropbox\src\DropboxAdapter.php on line 12