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`='a2b6ace7e35cb0441d0c9592751305f4',`time`='1711663988',`ip`='52.207.218.95',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=11&day=23',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'