insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745069981','[도서구입] (1)김영일 - 차가운 곳에도 꽃은 핀다(수필)','','99999','')

1062 : Duplicate entry '1745069981' for key 1

error file : /home/klw/book_buy.php