Lyecs error!

Array
(
    [PDO Error Info] => Array
        (
            [SQLSTATE] => HY000
            [Driver Error Code] => 1
            [Driver Error Message] => Can't create/write to file '/tmp/#sql_7dd_0.MYI' (Errcode: 28)
        )

    [Database Status] => Array
        (
            [Error Code] => 10501
            [Error Message] => SQLSTATE[HY000]: General error: 1 Can't create/write to file '/tmp/#sql_7dd_0.MYI' (Errcode: 28)
            [Error SQL] => SELECT pg.goods_id, ga.act_id, ga.act_name, ga.act_desc, ga.goods_name, ga.start_time,
                       ga.end_time, ga.is_finished, ga.ext_info
                FROM `winishop_new`.`lyecs_goods_activity` AS ga, `winishop_new`.`lyecs_package_goods` AS pg
                WHERE pg.package_id = ga.act_id
                AND ga.start_time <= '1741896088'
                AND ga.end_time >= '1741896088'
                AND pg.goods_id = 6798
                GROUP BY ga.act_id
                ORDER BY ga.act_id
        )

)