[WARNING] cache_get_field_content - no active cache

[DedPool]

Ошибка:

[WARNING] cache_get_field_content - no active cache

publics: off_family_members_callback(playerid)
{
    new f,d;
    cache_get_data(f,d);
    new rows = f, temp [ 24 ],ofm_string[ 256 ];
    if(rows != 0)
    {
        for(new i = 0; i < rows ;i++)
        {
            cache_get_field_content ( i, "player_name", temp, mysql_connect_ID);
            strcat(ofm_string,temp);
            strcat(ofm_string,"\n");

        }
    }
    ShowPlayerDialog ( playerid, 995 , DIALOG_STYLE_LIST, "{00FF00}Члены семьи", ofm_string, "Назад","" ) ;
    return true;
}

В чём тут проблема?​