SQL info: MySQL Query Error

Time: 2020-2-28 2:09am
Script: /newsview.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('181bb9','','','', '1582826945', 'a:0:{}')
Error: Duplicate entry '181bb9' for key 'PRIMARY'
Errno.: 1062