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`='464e8488288055cdf1e42f0b8ee11f18',`time`='1711667384',`ip`='34.227.191.136',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=7&day=12',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'