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`='cd076835b9b2c6e9cf51ede2b30f96b2',`time`='1711693067',`ip`='54.221.69.42',`location`='/calendar.php?action=addevent&calendar=1&day=24&month=10&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'