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`='cdd235c3777b4057e43b0321897de9fe',`time`='1711701995',`ip`='54.226.155.151',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=11&day=29',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'