insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745025834','[도서구입] (2)박동수-불꽃으로 사는 마음(시집)','','99999','')

1062 : Duplicate entry '1745025834' for key 1

error file : /home/klw/book_buy.php