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`='ab1b68b87c1f525d76cbb54a85e12bf2',`time`='1711635937',`ip`='54.173.43.215',`location`='/calendar.php?action=addevent&calendar=1&day=11&month=3&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'