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`='589fb2b13e46826a5c7536990c13f5c0',`time`='1711661969',`ip`='54.221.110.87',`location`='/calendar.php?action=addevent&calendar=1&day=31&month=3&year=2018',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'