SQL info: MySQL Query Error

Time: 2018-4-26 12:07pm
Script: /newsview.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('1225d8','','','', '1524715649', 'a:0:{}')
Error: Duplicate entry '1225d8' for key 'PRIMARY'
Errno.: 1062