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`='06ef4a9261b28a07bce1c0ec3d470802',`time`='1711642629',`ip`='107.23.157.16',`location`='/calendar.php?action=addevent&calendar=1&day=12&month=11&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'