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`='051eb1282bae780eeae4070858869ad6',`time`='1711721863',`ip`='100.26.135.252',`location`='/calendar.php?action=addevent&calendar=1&day=12&month=10&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'