SQL info: MySQL Query Error

Time: 2020-9-16 7:48am
Script: /keshi_shownews.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('c22713','','','', '1600213724', 'a:0:{}')
Error: Duplicate entry 'c22713' for key 'PRIMARY'
Errno.: 1062