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`='4c2761a2c007fb996bc5d56057ab68d0',`time`='1711628107',`ip`='52.91.255.225',`location`='/calendar.php?action=addevent&calendar=1&day=14&month=1&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'