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`='880dc4fb3b330b8a322dcda87944e1bd',`time`='1711687608',`ip`='3.85.9.208',`location`='/calendar.php?action=addevent&calendar=1&day=25&month=9&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'