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`='bf20b7cbfb8a33395a6bdb39076302e3',`time`='1711722488',`ip`='107.23.156.199',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=7&day=5',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'