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`='8ee167699c6d9f9b108f01c1fed1e9b3',`time`='1711644785',`ip`='54.227.104.229',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=3&day=19',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'