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`='d0a1e8d98443a81f40620d4ab01885b4',`time`='1711621174',`ip`='44.211.117.101',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=9&day=18',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'