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`='82a5a4c2fd784e25d4d1d31cbcec1732',`time`='1711698367',`ip`='44.213.65.97',`location`='/calendar.php?action=addevent&calendar=1&day=28&month=3&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'