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`='b66a2842217de9a30ef744ab1d9c8903',`time`='1711721264',`ip`='34.205.2.207',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=4&day=20',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'