SQL info: MySQL Query Error

Time: 2008-12-5 9:30pm
Script: /showpic.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('6eba1f','','','', '1228483846', 'a:0:{}')
Error: Duplicate entry '6eba1f' for key 1
Errno.: 1062