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`='52f86aa5a4ab9b36577908e76a7826c7',`time`='1711651807',`ip`='34.227.191.136',`location`='/calendar.php?action=addevent&calendar=1&day=22&month=3&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'