SQL info: MySQL Query Error

Time: 2020-8-2 9:47pm
Script: /newsview.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('3c6689','','','', '1596376035', 'a:0:{}')
Error: Duplicate entry '3c6689' for key 'PRIMARY'
Errno.: 1062