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`='3bc16629e34b671f350437ce7c20ef63',`time`='1711679866',`ip`='3.237.46.120',`location`='/calendar.php?action=addevent&calendar=1&day=10&month=9&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'