SQL info: MySQL Query Error

Time: 2020-6-2 5:50am
Script: /newsview.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('a94d72','','','', '1591048234', 'a:0:{}')
Error: Duplicate entry 'a94d72' for key 'PRIMARY'
Errno.: 1062