SupeSite info: MySQL Query Error

User: guest
Time: 2019-2-17 12:00pm
Script: /do.php

SQL: INSERT INTO [Table]clickuser (`uid`, `username`, `id`, `idtype`, `clickid`, `groupid`, `dateline`, `ip`) VALUES ('0', 'Guest', '121737', 'spaceitems', '21', '4', '1550376047', '3.84.243.246')
Error: Duplicate entry '0' for key 'PRIMARY'
Errno.: 1062