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`='372e05c3105d4d1bcbe4496ac48f9ee3',`time`='1710815284',`ip`='54.221.159.188',`location`='/calendar.php?action=addevent&calendar=1&day=30&month=8&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'