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`='295f60399a36324480654067f8ef8659',`time`='1711690059',`ip`='35.173.215.152',`location`='/calendar.php?action=addevent&calendar=1&day=5&month=12&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'