polizia_frascati/app/Models/UserUserGroup.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class UserUserGroup extends Model
{
    use HasFactory;

public $timestamps = false;
    protected $table = 'fcf_user_user_groups';

    protected $fillable = [
        'group_id',
        'user_id'
    ];

}