SQL info: MySQL Query Error

Time: 2021-6-7 10:54pm
Script: /newsview.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('539259','','','', '1623077669', 'a:0:{}')
Error: Duplicate entry '539259' for key 'PRIMARY'
Errno.: 1062