MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '0' for key 'location1'
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='e16fbbc15a10a46ab12f78fc535891a3',`time`='1711711987',`ip`='34.224.33.93',`location`='/calendar.php?action=addevent&calendar=1&day=7&month=10&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'