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`='ca35f499e5d18a0f080ed8cc3d999d4e',`time`='1711717866',`ip`='44.223.39.199',`location`='/calendar.php?action=addevent&calendar=1&day=23&month=9&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'