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`='cb0c1783896539b1fb94ecc2a5e2640a',`time`='1711719602',`ip`='18.206.83.160',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=7&day=15',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'