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`='6e0c94f3e68d355b7c1c6ea1d24e2c78',`time`='1711716893',`ip`='3.94.98.40',`location`='/calendar.php?action=addevent&calendar=1&day=14&month=9&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'