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`='f241b78afe5d10c16dc975b5596c09a7',`time`='1711663334',`ip`='44.200.77.59',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=8&day=19',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'