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`='7660ab434b7bd03fc807db41cdcd6878',`time`='1711624871',`ip`='3.88.254.50',`location`='/calendar.php?calendar=1&year=2017&month=11',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'