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`='d1205d215bc67aec63d2de6cd4d99b1c',`time`='1711710353',`ip`='54.158.138.161',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=6&day=24',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'