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`='4ada1cb243149319d8f03b54a4df084b',`time`='1711705708',`ip`='52.55.19.189',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=9&day=12',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'