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`='d9d1a7f7dd92a11fb98ddba2ea1a01aa',`time`='1711707756',`ip`='44.202.209.105',`location`='/calendar.php?action=dayview&calendar=1&year=2017&month=2&day=25',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'