insert into nss_item(it_id,it_name,it_amount,it_stock_qty,it_explan) values('1745025948','[도서구입] (63)정문택 시집-은하수 멀리엔 별이 있다.','','99999','')

1062 : Duplicate entry '1745025948' for key 1

error file : /home/klw/book_buy.php