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`='1a18af7ba3079696cd71e8e98ecea346',`time`='1711670413',`ip`='34.230.68.214',`location`='/calendar.php?action=addevent&calendar=1&day=29&month=3&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'