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`='8c9f74a7670ab8a890547be3c14a931b',`time`='1711687459',`ip`='44.223.5.218',`location`='/calendar.php?action=addevent&calendar=1&day=4&month=12&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'