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`='0d939edc440008e73fc2c3eef5a8489f',`time`='1711694157',`ip`='34.237.140.238',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=1&day=29',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'