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`='3fae78173da3f17f8f8502d0a34f15a9',`time`='1711645038',`ip`='54.198.45.0',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=7&day=17',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'