404 on admin/new (Filament\Pages\Tenancy\RegisterTenant)

<?php
namespace App\Filament\Pages;
 ...
use Filament\Pages\Tenancy\RegisterTenant;
use Illuminate\Database\Eloquent\Model;
use App\Models\Tenant;

class CreatePlateform extends RegisterTenant
{
    public static function getLabel(): string
    {
        return 'Create new plateform';
    }
    
    public function form(Form $form): Form
    {
        return $form
            ->schema([
                TextInput::make('name')
                ...
            ]);
    }
}

...
use App\Filament\Pages\CreatePlateform;
...
->tenantRegistration(CreatePlateform::class)
...

    GET|HEAD admin/new .......... filament.admin.tenant.registration › App\Filament\Pages\CreatePlateform