SQL info: MySQL Query Error

Time: 2019-11-23 8:02am
Script: /keshi_news.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('33182c','','','', '1574467331', 'a:0:{}')
Error: Duplicate entry '33182c' for key 'PRIMARY'
Errno.: 1062