Cannot read property 'code' of null

Cannot read property ‘code’ of null 開始不知道哪裏出了問題 XML裏面代碼是這個 SELECT rm.code AS CODE , rm.raw_name AS NAME, rm.stock_number AS safenumber, IFNULL(st.sum,0) AS nownumber,(IFNULL(st.store_type_name,‘無’)) A

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