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`='f6eb03b615b4835da8b2361c170c53f3',`time`='1711691974',`ip`='54.234.45.33',`location`='/calendar.php?action=addevent&calendar=1&day=11&month=6&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'