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`='b993012c753d20c8d19249cf1cdda7bf',`time`='1711620274',`ip`='100.24.20.141',`location`='/calendar.php?action=addevent&calendar=1&day=2&month=8&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'