[sql_error]MySQL Query Error

SELECT COUNT(*) AS num FROM `gk_member_company` WHERE uid > 1 AND company_check = 1 AND FIND_IN_SET(4, company_nature) AND FIND_IN_SET(67, productids) AND `areaid` = 17 AND FIND_IN_SET(7, industryids) LIMIT 0,1
[msg]MySQL server has gone away