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`='4d5d6ba3b1c53f89c2a2874f4295f2d0',`time`='1711677475',`ip`='3.90.33.254',`location`='/calendar.php?action=addevent&calendar=1&day=29&month=11&year=2017',`useragent`='claudebot',`location1`='0',`location2`='0',`nopermission`='0'