데이터 베이스 에러!!! : 잘못된 쿼리 -> insert into ybbs_login(ip,session_id,mem_id,REFERER,login_date) values('216.73.216.85','sess_67fb1c9c91c7e432c211a3d21055b8d6','','',now())

1062 (Duplicate entry '216.73.216.85' for key 1)