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`='8f9c601a2b6742e70f1ea19831b96aa3',`time`='1711704115',`ip`='3.239.15.46',`location`='/calendar.php?action=addevent&calendar=1&day=5&month=4&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'