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`='0e2671a027b4e2dea74733b19be5f716',`time`='1711708503',`ip`='3.237.31.131',`location`='/calendar.php?action=addevent&calendar=1&day=3&month=2&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'