InvalidArgumentException: Driver [] is not supported. in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Filesystem/FilesystemManager.php:121 Stack

Hello all, when i upload a file i get a InvalidArgumentException, maybe someone can help me.

Greetz Marcus

-public --upload

Stack Trace config/Filesystem.php

    'disks' => [

        'local' => [
            'driver' => 'local',
            'root'   => storage_path('app'),
        ],

        'public' => [
            'driver'     => 'local',
            'root'       => storage_path('app/public'),
            'visibility' => 'public',
        ],

        's3' => [
            'driver' => 's3',
            'key'    => 'your-key',
            'secret' => 'your-secret',
            'region' => 'your-region',
            'bucket' => 'your-bucket',
        ],

        'files' => [
            'driver' => 'local',
            'root'   => public_path('upload'),
        ],

    ],

];