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`='8ea0be269dd0f71783020d329b2919dc',`time`='1711630810',`ip`='3.235.251.99',`location`='/calendar.php?action=addevent&calendar=1&day=28&month=5&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'