SQL info: MySQL Query Error

Time: 2021-7-26 5:55am
Script: /newsview.php

SQL: INSERT INTO t_session (sid,uid,islogin,isadmin, updated, sessiondata ) VALUES ('d63217','','','', '1627250141', 'a:0:{}')
Error: Duplicate entry 'd63217' for key 'PRIMARY'
Errno.: 1062