Target class controller does not exist - Laravel 8

Question

Here is my controller:

Answer 1

In laravel-8 you can use like this

 Route::group(['namespace'=>'App\Http\Controllers', 'prefix'=>'admin',
 'as'=>'admin.','middleware'=>['auth:sanctum', 'verified']], function()
{
    Route::resource('/dashboard', 'DashboardController')->only([
        'index'
    ]);
});

Thanks