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`='a1c23ac441a54e93ef775f5c4e19d1d4',`time`='1711640795',`ip`='54.221.43.155',`location`='/calendar.php?action=addevent&calendar=1&day=7&month=9&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'